Do you currently have any problems utilizing H202 with QuickBooks? QuickBooks Error h202 can be brought on by either an incorrect date format or a faulty QuickBooks installation. The cause of this problem could be an incorrect date format. Restarting your computer after changing your system's date format to reflect the location you are now in should fix the problem. Try reinstalling QuickBooks if it still doesn't fix the problem. An unreliable installation of QuickBooks is another potential root cause of this issue. Reinstalling QuickBooks can help to resolve the problem.