EXFAT_FILE_SYSTEM    |    Fix Error Code 0x0000012C    |    STOP 0x0000012C


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.

[This is preliminary documentation and subject to change.]

The EXFAT_FILE_SYSTEM stop error code has a value of 0x0000012C. This stop error code indicates that a problem occurred in the Extended File Allocation Table (exFAT) file system.


The following parameters are displayed on the blue screen.

1Specifies source file and line number information. The high 16 bits (the first four hexadecimal digits after the "0x") determine the source file by its identifier number. The low 16 bits determine the source line in the file where the stop error code occurred.
2If FppExceptionFilter is on the stack, this parameter specifies the address of the exception record.
3If FppExceptionFilter is on the stack, this parameter specifies the address of the context record.


This stop error code is caused by the file system as a last resort when its internal accounting is in an unsupportable state and to continue poses a large risk of data loss. The file system never causes this stop error code when the on disk structures are corrupted, the disk sectors go bad, or a memory allocation fails. Bad sectors could lead to a stop error code, for example, when a page fault occurs in kernel code or data and the memory manager cannot read the pages. However, for this stop error code, the file system is not the cause.

Resolving the Problem

To debug this problem: Use the .cxr (Display Context Record) command together with Parameter 3, and then use the kb (Display Stack Trace) command.

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Fix Error Code 0x0000012C    |    STOP 0x0000012C    |    Repair Windows Error 0x0000012C