Do you at the moment have any problems integrating H202 with QuickBooks? QuickBooks Error h202 might also be brought on by an incorrect date format or a problematic QuickBooks installation. The cause of this problem could be an incorrect date format. After restarting your computer and changing your system's date format to reflect the current location, the problem ought to be rectified. Try reinstalling QuickBooks if it still doesn't fix the problem. An unstable QuickBooks installation is another conceivable root cause of this issue. Reinstalling QuickBooks can help to resolve the problem.