When backing up a company file, the following error occurs:
Warning: There was a problem in setting the file security. There is extended information.
There are several possible causes of this error:
Solution 1: Edit the Company Name in the Company Information screen
Solution 2: Start the Windows Volume Shadow Copy service
Solution 3: Reset your UAC settings and reboot your computer.
If the error persists, a Reinstall of QuickBooks Desktop should resolve the issue.