How to fix macOS 10.15 Catalina problems
Hello, thrill seekers. Looks like you’ve installed macOS Catalina knowing it’s not perfect and despite all warnings ended up here. You are not alone. We’ve rummaged through the internet and collected all macOS Catalina issues known to date. And boy, there’s a lot of wrongs to fix.
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1. Can’t install macOS Catalina
You’ve unpacked the installer and now macOS Catalina install stuck on the initial reboot. All you can see is a black screen and even a hard reboot doesn’t help it. Though it’s perfectly normal for an installation to take some time (sometimes up to 10 hours), you can try a few workarounds.
- Install Catalina in the Safe Mode
- Press and hold down the Power key to shut down your computer.
- Now, hold down Shift while it’s booting up.
You will see the Apple logo on a grayish background with a progress bar. After you entered the Safe mode, run the Catalina installer again. Hopefully, it reaches completion this time.
Tip: Press Command + L in the middle of the macOS installation. You will see if it’s still active and the remaining time before completion.
- Do a PRAM and SMC Reset
It’s one of those last-ditch solutions that restore deep system settings including kernel information. It isn’t something you should be doing regularly but in our case, it’s worth trying.
How to reset PRAM
1.Shut down your computer
2. Press the Power key
3. Immediately press Command + Option + P + R keys
4. Hold down the keys until your Mac reboots
5. Let go of the keys
To reset SMC
1. Turn off your Mac
2. Hold down Control + Shift + Option and press power
3. Hold the buttons for 10-15 sec
4. Release the keys and restart your Mac
After you’re done, repeat macOS Catalina installation from scratch.
- Free up space on your drive
macOS Catalina takes up about 30 GB on your drive. That’s unprecedented in macOS history. When you see the 'macOS Catalina cannot be installed on Macintosh HD' message, this sometimes means that there is not enough disk space for the new macOS. Therefore, you need to free up some space on your Mac.
How to free up space? Move your largest files onto an external drive — will take you about 20 minutes. Or if it looks like too much fuss, free up your storage with CleanMyMac X. It’s a tool that is actually notarized by Apple (shouldn’t be confused with MacKeeper).
You’ll easily remove 7-10 GBs of system garbage. Then you can install macOS Catalina on a drive that’s clean and refreshed.
Here I’ve found a link to a free version of this app — enjoy.
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Catalina installation stuck on “Setting up your Mac” screen
So your installation has started but seems to be stuck on the initial screen. What can you do? If your patience has finally run out, it’s time for a mission abort.
- Press the power button and wait till your Mac reboots.
- Start the installation all over again — this time it should go fine.
“macOS Catalina could not be verified”
This error usually appears when the download has finished. Apparently, it has something to do with cached content associated with your user account.
- Open System Preferences > Sharing > Content caching
- Switch to “All content`’ in the dropdown menu
The first attempt to download Catalina would often return the same error. But don’t give up just yet! Try downloading Catalina once again — this time it will download it from the cached copy on your Mac which will take about 10-15 seconds. Now it should be ok.
If it doesn’t help you can also:
- Simply restart your Mac
- Download Catalina under different “user” on your Mac
- Try to delete system cache with CleanMyMac
2. macOS Catalina freezing upon reboot
The situation looks like this: macOS Catalina has completed the install, and after you restart your Mac it is stuck on login screen. You see the progress bar but it isn’t going anywhere. What to do?
As one user pointed out, the problem may be caused by 3d party kernel extensions or kexts. They act as drivers — if you like a Windows analogy — and give access to your Mac’s hardware.
- Solution: Move Library Extensions
As a band-aid solution, you can relocate your /Library/Extensions kexts to a backup folder. As confirmed by many users, this fixes macOS Catalina stuck on reboot problem.
To perform this, you will need Terminal app:
Click Launchpad > Terminal
Now paste in the following command:
mkdir ~/Extensions-Backup && sudo mv /Library/Extensions/* ~/Extensions-Backup/
This command relocates your Library Extensions to the username/Extensions Backup folder. Later you can put the Extensions back where they belong at: /Library/Extensions.
One more solution to macOS Catalina freezing
Generally, Macs freeze when some process is hogging the memory. Some background plugin could be eating up all the available RAM. Here is the method I use to identify my background memory-hoggers.
To get a clear idea what it is, I use CleanMyMac X’s Speed utility.
You need to install CleanMyMac X — it’s available as a free version too.
Open the app, click “Optimization.”
This will give you an idea what Launch Agents are working in the background so you can isolate and disable them.
PS. Heavy consumers — this tab reveals processes that are critically memory-demanding.
3. macOS Catalina apps not working
This is one of the macOS Catalina problems that trails back to macOS Mojave. As you’ve probably heard, app architecture knows 2 types: 32-bit and 64-bit. The 32-bit apps will not be supported on macOS Catalina, period. Sadly, they are not just some lo-fi indie apps, we are talking Photoshop!
Did you know:Apple states that 64-bit apps use memory more effectively and so will work faster on your Mac.
- Check your 32-bit apps
There’s a quick way to count your potentially problematic applications.
- Click the Apple logo > About this Mac > System report
- Now find Applications in the sidebar.
To have a deeper look into your apps, where they come from, and how much space they are taking, run the Uninstaller tool in CleanMyMac X. Download this program here — it’s free to download.
Launch the app and click the Uninstaller tab
Here you can see your 32-bit apps and sort apps by “Last used.”
For example, I found a 32-bit video editor, which I didn’t realize was there, stealing away 600 MB of my space.
- Reset an app that misbehaves
If a particular app stopped working on macOS Catalina, you can reset it with CleanMyMac. This operation doesn’t delete any user data and only restores it to the default state. In 9 out of 10 cases this helps solve syncing issues and sudden app freeze-ups.
Choose an app from the list in the Uninstaller (see screenshot above)
Now click on the drop-down menu under “Uninstall” button
Click on the Reset button that appears
- Update your applications
In anticipation of various macOS Catalina issues, some developers have already optimized their programs for the new OS. Go to the developer’s site and download the latest available version.
Yes, I’ve already told you about CleanMyMac, but it appears to have just the right tool to handle macOS updates. It automatically updates every single app on your Mac. Though it may take some time, it’s a smart way to debug your macOS Catalina apps.
Once you get CleanMyMac X, click the Updater tab in the sidebar.
Click Select All above the app list.
Now, click Update.
4. macOS Catalina is running slow
Quite expectedly, some of the most reported issues on macOS Catalina are speed-related. Some background processes are hogging the CPU, most notably, the fileproviderd process. Thing is, macOS 10.15 Catalina heavily exchanges data with web-related processes, like cloud storages. There are countless rough edges to this process.
- Disable the fileproviderd process
Go to Launchpad > Activity monitor
- Disable browser extensions
Here you’ll need to figure out what process is eating up the most resources. Watch out for the processes named mds and fileproviderd. If they take up 80-100% of CPU, try closing them using the [X] button above.
Browser extensions may be the culprit of many macOS Catalina issues. Leave the bare minimum of browser extensions and see how your Mac reacts.
5. Problem with Apple ID settings
This happens when Catalina is prompting you to update your Apple ID details. You’ve entered your password but the pop-up keeps coming back after some time.
- Solution: Enable Keychain in iCloud settings
Go to System Preferences > Internet Accounts > iCloud
Log in into your account and check the list of services that use iCloud.
Tick Keychain and enter your credentials.
6. Sidecar problems on macOS Catalina
Sidecar is a feature that doubles your workspace as you can use an iPad as a second monitor. The common issue here is inability to connect your iPad to the computer. First off, make sure you have iPadOS installed on your iPad. Then, find your Mac in the list of Sidecar-supported models:
- Late 2015 27″ iMac
- 2017 iMac Pro
- Mid 2016 MacBook Pro
- Late 2018 Mac mini
- Late 2018 MacBook Air
- Early 2016 MacBook
- 2019 Mac Pro
If your Mac is pre-2015, there’s still a workaround to enable Sidecar.
Open Terminal and paste in the following command:
defaults write com.apple.sidecar.display allowAllDevices -bool YES
Did it make the trick? Unfortunately, this combination is not guaranteed to work.
7. iCloud issues on macOS Catalina
Cannot download folders from iCloud
iCloud integration is one of those weak spots that produce tons of bugs. Fixes for such macOS Catalina problems are already on the way.
- Download each file individually
If you cannot download folders from iCloud, download each file individually. Unfortunately, this is the only available workaround at this point.
Did you know: Some part of your iCloud data is stored on both Google and Amazon data centers.
Cannot accept iCloud terms and conditions on Catalina
As of October 2019, this problem has too been widely reported. No matter how many times you’ve accepted the conditions, the legal disclaimer keeps coming up. It appears, that the problem occurs because you have more than just one device connected to iCloud.
- Go to System Preferences > Internet Accounts.
- Now, click the iCloud icon
You should see the Terms & Conditions pop-ups that is now in a pending state. Press Accept.
Repeat the procedure for all iCloud accounts and your devices you’ll see in the list.
8. Music Library freezing
The iTunes had been the centerpiece of music on macOS. With its removal things quickly went sideways. Since the arrival of the iTunes successor, Music app, many folks noticed their album artworks missing, Music Library freezing etc.
The typical case is your Mac says its “updating the Music Library”, spinning endlessly, without any progress. The issue is likely caused by obsolete Mojave caches and the remains your previous iTunes ecosystem.
- Empty your Music folder
And all music-related Library caches.
- Back up your music and move it out of Music folder
- Open ~/Library and delete any items titled “Music” or “iTunes”
- Repeat for ~/Library/Caches
- Restart your Mac and see if it worked
Don’t forget to put your music albums back where they had been before.
9. Wi-Fi issues on macOS Catalina
Wi-Fi not working after macOS Catalina update is pretty common. While your macOS is brand new, your Wi-Fi is still relying on some old protocols.
First, try to turn the Wi-Fi off and on again. If that doesn’t help you go to System Preferences > Network
Click on the dropdown menu that shows your Network.
Now, try choosing a different network — just to reset and shaken up the old settings
- Connect to your default network
- Check to “Automatically join this network”
Alternative fix with CleanMyMac X
To fix Wi-Fi problems on Catalina, we’ll use some of the tools from the free version of CleanMyMac X.
- Download the app and open the Privacy tab
- Find the Wi-Fi Networks option
Check all the networks in the list and click Remove.
This will make your Mac forget your old Wi-Fi stations and you’ll be able to reconnect again.
10. Bluetooth not available on macOS Catalina
If your Bluetooth is not working on macOS Catalina, there’s one easy trick you can do. You should try deleting your Bluetooth.plist files. Don’t worry, it will auto-create a new copy of itself.
- Click Finder > Go > Go to Folder…
- Type in:
Library/Preferences
Now, look for a file com.apple.Bluetooth.plist
3. Delete it and restart your Mac.
11. Safari Extensions stopped working
There is a certain kind of Safari extensions, namely, .safariextz files that have been excluded from support in macOS Catalina. They no longer can be installed on Extensions page and are now considered “Legacy.”
RES, Ublock, and Bitwarden are some of the notable extensions that Safari users will miss on Catalina. What’s happening is Apple gradually moving away from the accepted web extensions format (WebExtensions) to the iOS-compatible extensions.
- Accept this fact (or wait patiently)
If you are missing your favorite ad blockers or other extensions, the easiest is to switch to a different browser. There is also a possibility that the developers will overhaul their extensions to support Safari 13 but we all will have to wait until that happens.
12. Storage filling up for no reason
So you’ve upgraded to macOS Catalina only to discover that a big chunk of free space is missing. Some identified folder is eating up your storage but how can you find it? The issue could be related to Time Machine backups and clones of APFS snapshots stored in different locations.
- Slim down your Time Machine snapshots
You can perform this operation safely in CleanMyMac X.
Download the app (a link to free edition) and launch it.
In CleanMyMac X:
Click the Maintenance tab
Choose “Time Machine snapshots thinning
As a manual solution, paste in the following commands in Terminal:
tmutil listlocalsnapshots / tmutil listlocalsnapshots /System/Volumes/Data
This lists the local snapshots created by your Time Machine. If you’re ready to delete those, type in this:
Make sure your Mac is one of the compatible devices. Sidecar works on: Try connecting your iPad with a cable. With Sidecar, you should be able to connect your iPad wirelessly. If this doesn’t work, the cable might solve the issue. Many of the previous macOS releases were known for battery life concerns — greedy apps, Safari and Chrome draining battery, or power-saving not working. There has been no major battery drain issues reported by the Catalina users so far. Just to make sure you don’t encounter the problem as well, here are a few precautions: Check for apps that use significant energy. For a quick insight, check Apple’s in-built Activity Monitor. It shows the “Energy impact” for every application — calculated based on CPU, network usage, and other factors. Have a solution for battery health monitoring. iStat Menus is a perfect fit if you need detailed analytics on disk activity, CPU usage, battery life, memory load, and much more. The app shows all the data right in your menu bar. Plus, you can customize what’s being monitored flexibly. Use Screen Time to limit the use of apps. This is the brand-new app on macOS Catalina, which helps you live a healthier Mac user life. Set time limits for the use of specific apps or app categories and schedule downtime. The main goal is to track how much time you spend on the computer, but you can also use it to optimize battery life on Mac. In the attempt to speed up your Mac’s performance, Apple is killing 32-bit app architecture with the release of Catalina. This means you have to switch to 64-bit, for good. You might see the messages like this when trying to launch an app: Shortcuts for symbols in excel macos. Hadn’t used that one. (I saw your ALT-25 for down arrow. ALT-167 gives degree symbol instead of section mark. ALT-134 gives a lower case “a” with a little circle above it instead of a daggar. Nearly everything is wrong. The chances are it’s one of the oldies. CleanMyMac X can pretty much solve every app problem on macOS Catalina. Uninstall all 32-bit apps in a click No more digging through the settings. Download CleanMyMac X and batch uninstall every outdated app on Mac. Use Updater to search available app updates. Maybe the app is not working, because it needs upgrading. If you’ve missed the update notification, you won’t know about this. To solve the issue, CleanMyMac X will show you the full list of apps with available updates from developers. The best thing is you can run a batch update right in the app. Uninstaller gives you an easy way to reset or get rid of 32-bit apps. The Apple way of checking for 32-bit applications is quite easy: access About This Mac > System report > Applications. However, once you find apps with the outdated architecture, you’ll have to go and uninstall each of them separately. The Uninstaller feature in CleanMyMac X simplifies things for you — filter by 32-bit and get rid of each of them. While app notarization takes time, you can expect many apps being unavailable after the release of Catalina. This doesn’t mean they are gone for good, though. Contact developers or follow official developer announcements to find out about compatibility plans. Due to Catalina’s new security settings, Microsoft’s OneDrive may have a problem accessing your drive — even if you allow a full access. This is because macOS 10.15 comes with two disk volumes by default. There are no surefire fixes just yet, but you can try to troubleshoot OneDrive by setting it up from the very beginning. This worked for some users, according to the Reddit discussion: Unlink your account and quit OneDrive. Remove OneDrive client from your Mac and delete the folder. Set up OneDrive again and make sure you allow full disk access in Security & Privacy. The most common issue with iCloud is that users are unable to download their folders. You can try downloading iCloud files separately — but that’s going to be a pain if you have an extensive library. The best fix would be using Forklift app for your file management. The app is Catalina-ready and allows connecting local drives, Dropbox, iCloud, and tons of other storage sites. If you’re setting up iCloud, there might be another issue standing in your way: Not being able to agree to the Terms and Conditions. The window will just keep popping up on your screen. An easy way to fix this would be to access System Preferences > Internet Accounts and then click on the iCloud icon. You’ll see a static Terms and Conditions window — click Accept and you’re good to go. The new macOS 10.15 brought along the end of iTunes and the birth of the new Music app. Basically, it looks the same — but with music-only content. There’s a huge difference for people who rely on syncing Apple Music with third-party apps. The new app doesn’t support XML file support, which makes playlist syncing impossible across many apps. So if you use Apple Music for DJing, you’ll definitely have a problem. The only fix to suggest here would be to stay away from Catalina if you need your XML apps to work with iTunes. There have been reports about the new music app freezing on Mac. Well, it’s the first splitting of iTunes, so it’s no wonder it doesn’t go smooth. In most cases, your Mac will keep showing the “library updating” status. Create a backup of your entire music library. Move your music out of the music folder. Go to ~/Library and remove every file related to “Music” and “iTunes.” Delete music caches in ~/Library/Caches. Restart your Mac and try to access the library again. It should be working now. Another problem you may come across is the Music app eating too much of your space. One user wrote the app used over 30GB of memory on his Mac. Apparently, the problem is related to the memory management of Album Art. It is getting better, though. According to user reports, memory usage goes back to normal after restarting the app. According to forum posts, your mailbox might get pretty messy after the upgrade — with no search functionality whatsoever. So if you try searching by keywords or recipient/sender name, the app will keep showing the numerical number of results. The reason could be the new Spotlight integration. Open System Preferences > Internet accounts and remove your mail account. Restart your computer and once again add your mail account to the app. Try searching through your emails — it should be working now. There have also been some early reports about emails missing from the Mail app — so you might want to wait for it to get fixed before upgrading, especially if you rely on Apple Mail. So here’s the thing: macOS Catalina should be faster than Mojave. 32-bit architecture was one of the things slowing an operating system down. It’s gone, and so are the issues with slow apps. Unfortunately, you can expect your Mac go slow and overheat anyway. Too many login items often cause your Mac to go slow. To eliminate the problem, disable apps from launching at startup. Go to System Preferences > Users & Groups > Login Items. Check the apps you don’t want to run at startup and click on the minus button. Reset SMC. This is a universal fix that helps solve the issues with overheating, battery life, slow Mac, and more. The process is pretty simple and doesn’t impose any risks of losing your data. To reset, shut down your Mac, but leave a charger plugged in. Hold Shift + Ctrl + Option + Power button for about 10 seconds. Click on the power button and wait for your Mac to start up. On the Apple forum, people mentioned Dock disappearing from their screen after upgrading to Catalina. The nature of this mistake is unknown — some users connect it to PRAM resetting, the others say they had the issue when trying to work across two screens. Try Option + Command + D. If it doesn’t work for you, do the following: Go to Settings > Dock Change the Dock’s size so that it starts flickering Change the hide/show settings Customize the Dock’s position on screen (you can do it randomly). Close the window and check whether it’s working now. If you’re putting macOS 10.15 over your current system, you’re likely to encounter Internet connection problems. The radical way would be to clean install macOS Catalina — it’s healthier for your Mac and will probably fix the issue. If you’re not ready to take a risk, try rebooting your Mac. There has been a user report saying that Sophos caused the problem of network connection. So uninstalling it may be a fix as well. Well, that’s a problem. Definitely a huge one if you use AirPods. Deleting your Bluetooth.plist files might be the way to solve this. Open Finder > Go > Go to Folder Type Library/Preferences Find a file with the name “com.Apple.Bluetooth.plist” and delete it. While Apple is trying to transition to iOS-compatible extensions, it gradually deems support for many web extensions formats. On Catalina, you’ll face the problem with .safariextz files not working. Just like with 32-bit apps, there’s no way to fix the missing extensions. If you can’t find a good alternative, you can switch to Chrome or another browser. If you notice unusual storage filling up progress, this might mean your Mac captured too many redundant files during the Catalina installation. In most cases, these are APFS files and Time Machine backups. If you can use a good Time Machine alternative like Get Backup Pro throughout the upgrade, do it. Otherwise, you can remove Time Machine leftovers after installing Catalina with CleanMyMac X. In the Maintenance tab, select “Time Machine snapshots thinning,” and run a cleanup. To remove snapshots manually, use the following Terminal commands: 1. To view the list of snapshots: tmutil listlocalsnapshots / tmutil listlocalsnapshots /System/Volumes/Data 2. To delete snapshots: deletelocalsnapshots Here’s a quick review of all mentioned fixes, which you can take with you: The short answer is yes — if you use it right. So before you decide to downgrade back to Mojave, make sure you’ve done the following things right: If you want to dive more into macOS Catalina bugs fixed, check out the Reddit discussion.deletelocalsnapshots <snapshot_date> </snapshot_date>Battery drain on macOS Catalina
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