Do you now have the H202 problem when using the QuickBooks programme? The QuickBooks Error h202 can be brought on by either an incorrect date format or a damaged QuickBooks installation. The cause of this problem could be an incorrect date format. To fix this problem, modify your system's date format to reflect the location you are now in, then restart your computer. Try reinstalling QuickBooks if it still doesn't fix the problem. A corrupted QuickBooks installation is another probable cause of this issue. To try to fix this problem, you can reinstall QuickBooks.