Troubleshoot and resolve this Windows XP error (shows three different possible message variants), Article describes how to check the Windows compatibility mode for the QuickBooks desktop icon and QuickBooks executable file, and how to verify that the company file isn't damaged.

It is sometimes necessary to uninstall and reinstall all other Intuit programs in the QuickBooks installation folder (as well as QuickBooks),  if QuickBooks does not function correctly after a reinstallation. This is referred to as a clean install.