Is LocalAppData safe to delete?

Which temporary files should be deleted?

Why should I delete temporary files? You should regularly delete temporary files to free up space, speed up your computer, and reduce the risk of errors, bugs, and crashes. When your drive gets too full, it can slow down — and you won't have any room to save new files. Low disk space makes your computer perform worse.

How do I uninstall Localappdata?

How to Clean AppData Folder?1Press Win + I and go to System > Storage.2Click your system drive, then select Temporary files.3On the next screen, select Temporary Internet Files and Temporary Files.4Click the Remove Files button and wait for Windows to delete all unnecessary files.What is AppData Folder in Windows and How to Clean It Up? - TheITBros

Can deleting temp files cause problems?

Deleting of temp files won't create a problem, but instead of deleting the files from the Temp directory, you can use the diskcleanup tool which was provided by Microsoft.