APC_INDEX_MISMATCH    |    STOP 0x00000001    |    Repair Windows Error 0x00000001


STOP 0x00000001 : APC_INDEX_MISMATCH

STOP Errors are usually the result of a hardware malfunction or device driver issue. It is also possible to receive a Blue Screen Error due to bad system memory, malfunctioning power supply, components overheating, or hardware overclocked beyond its specification. In older versions of the Windows OS you may also receive Blue Screen Errors due to incompatible DLL files.

Since the only option when receiving a Blue Screen Error is to reboot, any unsaved data is lost. With that in mind, it is very important to eliminate these errors to protect your data.

Basic Troubleshooting

Troubleshooting STOP Errors can be a difficult and time consuming process. Try these basic steps to fix your own Blue Scree Error. We hope it will help you avoid an expensive service call and provide a rewarding experience of solving the problem on your own.

Advanced Troubleshooting

The following details are for advanced users. These are provided for your convenience and may help those with advanced knowledge discover the root cause of their STOP Error.


Stop 0x1: APC_INDEX_MISMATCH

The APC_INDEX_MISMATCH stop error code has a value of 0x00000001. This indicates that there has been a mismatch in the APC state index.

Parameters

The following parameters are displayed on the blue screen.

ParameterDescription
1The address of the system function (system call)
2The value of the following bit computation:

Thread->ApcStateIndex << 8 | Previous ApcStateIndex

3The value of Thread->KernelApcDisable
4The value of the previous KernelApcDisable

Cause

The most common cause of this stop error code is when a file system has a mismatched sequence of KeEnterCriticalRegion calls and KeLeaveCriticalRegion calls.

Comments

This is a kernel internal error which can occur only on a checked build. This error occurs on exit from a system call.

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APC_INDEX_MISMATCH    |    STOP 0x00000001    |    Fix Windows Registry Errors