Sometimes while you try to open or start any application in the Windows computer, you become unable to do it and get Windows stop error 0x00000081 on the computer screen. Actually occurring of the stop error is a very critical issue that happens due to incorrect registry files, misconfigured system files, virus infections or due to hard disk damaging. After the occurring of stop error code 0x00000081 or Windows BSOD error 0x00000081, you cannot be able to access any applications or you will not be able to complete any functions. In this situation, you must go with some manual or automatic error fixing methods. You can download and install Advanced System Repair Tool for automatic fixing of the issue.