Do you currently face any issues connecting H202 with QuickBooks? An improper date type or a poor QuickBooks installation might also result in QuickBooks Error h202. An improper date format could be the root of this issue. The issue should be resolved after restarting your computer and updating your system's date format to reflect your current location. If it still doesn't solve the issue, try reinstalling QuickBooks. Another potential underlying cause of this problem is an unreliable QuickBooks installation. Reinstalling QuickBooks may be able to fix the issue.