When installing QuickBooks, the following error occurs:
Error 2501. Called InstallFinalize when no install in progress.
Intuit recommends more than one solution for this problem. The first solution may solve your problem, or you may need to try both of them to resolve the issue. For best results, perform the solutions in the order shown.
Solution 1: Edit the folder permissions for C:\Windows\Installer to allow the System user to edit the folder:
Solution 2: Create a new Windows user and install with the new user:
Log in as the new Windows user and start the QuickBooks installation.