Uninstall latest Update

Hello julia_williamson,

That's a great question. If you backup your Mac using Time Machine, you may be to refer to a prior macOS version as outlined in the "Reinstall macOS" section of the following article.

Back up and restore your Mac

We may be able to troubleshoot the issues you're facing with the apps as well. With applications specific issues, the steps listed below are helpful in reaching a resolution and can be found in the following article.

• "If an app doesn’t quit as expected, or it’s unresponsive, you can force quit the app (you may lose unsaved changes). Choose Apple menu  > Force Quit, select the app in the dialog that appears, then click Force Quit.
• If the app quit, reopen it by clicking Reopen in the dialog that appears.
• Restart your Mac by choosing Apple menu > Restart.
• Make sure the app is compatible with your version of macOS.
• Open another file in the app. There may be a problem with the original file.
• Check for updates to your software.
• Disconnect any peripheral devices you just connected (for example, a printer). They may not be compatible with your version of macOS.
• Uninstall any app plug-ins or enhancements from other manufacturers.
• If you recently updated the app or macOS, a plug-in or enhancement you installed may no longer be compatible.
• Diagnose problems with your Mac to learn whether hardware you installed, such as additional memory, is incompatible, improperly installed, or defective."

If an app freezes or quits unexpectedly on Mac

Let us know how that goes!