Repair Windows Error 0x00000103    |    MUP_FILE_SYSTEM    |    Fix Error Code 0x00000103


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 MUP_FILE_SYSTEM stop error code has a value of 0x00000103. This stop error code indicates that the multiple UNC provider (MUP) has encountered invalid or unexpected data. As a result, the MUP cannot channel a remote file system request to a network redirector, the Universal Naming Convention (UNC) provider.


These stop error code parameters are displayed on the blue screen. Parameter 1 identifies the type of violation.

Parameter 1Parameter 2Parameter 3Parameter 4Cause of error
0x1The address of the pending IRP.The address of the file object whose file context could not be found. The address of the device object.The MUP could not locate the file context that corresponds to a file object. This typically indicates that the MUP is seeing an I/O request for a file object for which MUP did not see a corresponding IRP_MJ_CREATE request. The likely cause of this stop error code is a filter driver error.

0x2The address of the expected file context.The address that was actually retrieved from the file object.ReservedA file context is known to exist for the file object, but was not what was expected (for example, it might be NULL).

0x3The address of the IRP context.The IRP completion status code.The driver object of the UNC provider that completed the IRP (might be NULL).The IRP completion status was unexpected or invalid.
This stop error code occurs only when you are using a and should only be caused by file system filter drivers that are attached to legacy network redirectors. Legacy redirectors use to register with MUP. This stop error code detects filter drivers that return an NTSTATUS that is not STATUS_SUCCESS in IRP_MJ_CLEANUP or IRP_MJ_CLOSE requests.

0x4Address of the IRPAddress of the file object The file context for the file objectAn I/O operation was started on a file object before the create request for the file object was completed.


The MUP maintains context information on a per-file object basis for all file objects it handles.

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Fix Error Code 0x00000103    |    Fix Windows Registry Errors    |    Repair Windows Error 0x00000103