Stop 0x00000221 or STATUS_IMAGE_CHECKSUM_MISMATCH

Causes: This Stop message indicates driver, system file, or disk corruption problems (such as a damaged paging file).
This message usually means that a driver or a .dll file has become corrupt.
 

Solution :

       • Perform a Driver Rollback if incase a driver has been updated for a particular component.
       • Run any system diagnostics that are supplied by your computer manufacturer, especially a RAM check.
       • Perform a System Restore from Safe Mode with command prompt.
       • If all Hardware fully functional reinstall Operating System.