Are you currently having trouble with H202 when using the QuickBooks programme? The QuickBooks Error h202 can be brought on by either an incorrect date format or a corrupted QuickBooks installation. The cause of this problem could be an incorrect date format. To fix this problem, modify your system's date format to match the location you are now in, then restart your computer. Try reinstalling QuickBooks if it still doesn't fix the problem. A flawed installation of QuickBooks is another potential contributing factor in this issue. Reinstalling QuickBooks might be able to help with this problem.