Errors Troubleshooting › Blue Screen Errors › Microsoft Corporation › Windows Operating System › UDFS_FILE_SYSTEM (Error 0x9B)

How To Fix UDFS_FILE_SYSTEM Blue Screen Errors (0x0000009B)

	Error Number:	Error 0x9B
	Error Name:	UDFS_FILE_SYSTEM
	Error Description:	The UDFS_FILE_SYSTEM bug check has a value of 0x0000009B. This bug check indicates that a problem occurred in the UDF file system.
	Hexadecimal:	0x0000009B
	Developer:	Microsoft Corporation
	Software:	Windows Operating System
	Applies to:	Windows XP, Vista, 7, 8, 10, 11

Malfunctioning hardware, missing, corrupt, or deleted 0x0000009B device drivers can result in these Windows 10-related blue screen errors. Downloading and replacing your 0x9B file can fix the problem in most cases.

Common UDFS_FILE_SYSTEM Error Messages

Blue Screen of Death errors, or BSODs, are commonly encountered with UDFS_FILE_SYSTEM. These "Stop" UDFS_FILE_SYSTEM errors include:

"Problem detected: UDFS_FILE_SYSTEM has caused a problem and Windows shutdown to prevent damage."

":( Sorry, your computer encountered a problem with UDFS_FILE_SYSTEM and needs to restart now."

"0x0000000A: IRQL_NOT_LESS_EQUAL – UDFS_FILE_SYSTEM"

"STOP 0x0000001E: KMODE_EXCEPTION_NOT_HANDLED – UDFS_FILE_SYSTEM"

"STOP 0×00000050: PAGE_FAULT_IN_NONPAGED_AREA – UDFS_FILE_SYSTEM"

Most BSOD errors happen after Windows-related hardware or software installation. Commonly, UDFS_FILE_SYSTEM errors are seen during the Windows-related hardware or software install process, while a Microsoft Corporation-related driver is loaded, or during Windows shutdown or startup. It's important to notate when Blue Screen errors with UDFS_FILE_SYSTEM happen, as it helps troubleshoot Windows-related problems, and report them back to Microsoft Corporation.

Origins of UDFS_FILE_SYSTEM Troubles

BSOD problems involving UDFS_FILE_SYSTEM are generally created by related hardware, software, device drivers, or firmware. Microsoft Corporation hardware or Windows faults can lead to these UDFS_FILE_SYSTEM errors in some cases.

Especially, UDFS_FILE_SYSTEM-related errors are created by:

Poorly configured, outdated, or corrupted device drivers (UDFS_FILE_SYSTEM).

Invalid (corrupt) UDFS_FILE_SYSTEM registry entries related to UDFS_FILE_SYSTEM / Windows.

Malware has infected UDFS_FILE_SYSTEM (or related Windows), creating corruption and UDFS_FILE_SYSTEM errors.

Conflict of hardware related to install of Microsoft Corporation hardware or UDFS_FILE_SYSTEM.

Damaged system files (eg. UDFS_FILE_SYSTEM) after failed driver or Windows install.

UDFS_FILE_SYSTEM BSOD stemming from hard disk damage.

UDFS_FILE_SYSTEM STOP error due to memory (RAM) corruption.