AppHangB1 program error - what to do?

The error message AppHangB1 says little about the cause. In this practical tip, we give you tips on troubleshooting.

AppHangB1 error: problems with graphics card

The error message often occurs during games. There is often a problem with the graphics card.

Make sure you have the latest graphics card driver installed. You can either open Windows Update or visit the graphics card manufacturer's website.
Are you using the standard settings of the graphics card? Some graphics cards can be overclocked. If these settings are set, reset them to the default values.
You can also try to insert the graphics card into another free slot. To do this, remove all cables from the PC and open the cover on the side. Carefully remove the graphics card and insert it into another free slot.

Other causes for the "AppHangB1" error are other defective hardware in your PC.

Have you made any changes to the PC recently? These changes may not be accepted, which is why the problem arises.
A built-in working memory may be defective and trigger the error. To check this, open the start menu and enter "mdsched.exe" in the search field. Confirm with [Enter] and start the check.
Have you already completely reinstalled the program? The Revo Uninstaller is best suited for this, as it removes all remains.
Finally, you should always install all updates for your PC. These serve system security and stability.

This practical tip is based on Revo Uninstaller 1.95 under Windows 7. Read our next practical tip to find out how to fix the "Out of Range" error.