Fix WDMFS.SYS Blue Screen Error Step by Step

Frustrated by the WDMFS.SYS error message? Well, you should want to know what this WDMFS.SYS file is, what causes this error and the most important thing is how to fix this error. In this page, you will find all answers to your questions about this WDMFS.SYS and the methods to fix it.

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What's WDMFS.SYS File?

As its file extension denotes, WDMFS.SYS is a vital SYS file and it's a component of the software Microsoft(R) Windows(R) Millennium Operating System developed by Windows Software Developer. The latest version of WDMFS.SYS file is 4.90.3000 and MD5 value is 5be8c006a37c9c1c0c643729c5821447. Microsoft(R) Windows(R) Millennium Operating System and the Windows will generate WDMFS.SYS error when WDMFS.SYS file cannot be used due to the removal or corruption of WDMFS.SYS file. This error can be seen on Windows XP, Windows Vista, Windows 7, Windows 8 and Windows 10.

WDMFS.SYS file information:
File Name:   
   WDMFS.SYS (Free Scan)
File Description:   
   Windows WDM File System Mapper
Product Name:   
   Microsoft(R) Windows(R) Millennium Operating System
Product Version:   
   4.90.3000
Company:   
   Windows Software Developer
File md5:   
   5be8c006a37c9c1c0c643729c5821447
File type:   
   sys file
Security Level(0-5):   
   5
OS Infected:   
   Windows
Recommended:   
   Download WDMFS.SYS Error Free Scan Tool

Why Do I Receive WDMFS.SYS Error?

SYS files like WDMFS.SYS file contain code needed to correctly load and configure Windows operating system. Also, they can be part of hardware drivers and contain various instructions to allow Windows to work flawlessly with hardware and devices.

SYS files run in the kernel-mode that is the highest possible privilege on Windows operating system. Without SYS files like WDMFS.SYS, it will be very difficult for your Windows system to run. Any error in these files can cause great harm and data loss.

Popular WDMFS.SYS Error Messages

  • PAGE_FAULT_IN_NONPAGED_AREA STOP 0×00000050 WDMFS.SYS.
  • NTFS_FILE_SYSTEM STOP 0×00000024 WDMFS.SYS.
  • DRIVER_IRQL_NOT_LESS_OR_EQUAL STOP 0×000000D1 WDMFS.SYS.
  • SYSTEM_SERVICE_EXCEPTION STOP 0×0000003B WDMFS.SYS

WDMFS.SYS blue screen errors usually happen when you install a new hardware or software. You may receive WDMFS.SYS blue screen errors when you run or close Microsoft(R) Windows(R) Millennium Operating System, start or shut down the computer, or use specific function of Microsoft(R) Windows(R) Millennium Operating System. The time you encounter the error is very important to troubleshoot the problem.

Causes of WDMFS.SYS Error

WDMFS.SYS error can be caused by plenty of reasons. The following are the most common causes of WDMFS.SYS error.

  • Device drivers of WDMFS.SYS is not correctly installed and compatible.
  • The registry settings of WDMFS.SYS are changed or corrupted.
  • Computer malware attacked and damaged WDMFS.SYS file.
  • Other system files are damaged or corrupted after the software that uses WDMFS.SYS is installed.
  • There is a problem with your hard disk or memory (RAM).

How to Fix WDMFS.SYS Error?

Keep in mind, never download SYS files from SYS download websites, because they are not verified by their developers and may contain malicious code which lead to further damage to your computer system. We have listed several solutions to troubleshoot your WDMFS.SYS problem.

Method 1: Test for hard disk corruption.

Usually, WDMFS.SYS blue screen errors are caused by problems with your hardware devices or issues with low-level software running in the Windows kernel. Many reasons can cause errors on your hard disk, such as shutting down the computer irregularly, removing USB devices without using Safely Remove, and wrong version of device drivers. Fortunately, there is a utility called chkdsk (short for Check Disk) that can scan for errors and fix potential problems.

Steps:

a. Open an elevated command prompt.

Windows Vista and Windows 7

Click Start, click All Programs, Accessories, and then right click Command Prompt and click Run as administrator.

command prompt windows 7

Windows 8, Windows 8.1 and Windows 10

Open Win X menu by holding Windows and X keys, and then click Command Prompt (Admin).

windows8 win x menu

b. After confirming the UAC prompt, type chkdsk /f in the Command Prompt and hit Enter.

chkdsk

c. Chkdsk is scanning your system and takes some time to complete the repair.

Method 2: Uninstall and then reinstall Microsoft(R) Windows(R) Millennium Operating System causing WDMFS.SYS error.

If WDMFS.SYS error pops up when you're using Microsoft(R) Windows(R) Millennium Operating System, then it's worth trying to reinstall Microsoft(R) Windows(R) Millennium Operating System or the program from Windows Software Developer.

Steps:

Windows Vista, Windows 7 and Windows 10:

a. Click Start and click Control Panel.

start control panel windows 7

b. Click Uninstall a program.

win7 control panel programs and features

c. Look for Microsoft(R) Windows(R) Millennium Operating System or the program from Windows Software Developer, right click on it and click Uninstall to uninstall it from your system.

uninstall software

d. After the uninstallation, restart your computer and then reinstall the software with your disc or the installer from the official website.

Windows 8 and 8.1:

a. Hover the cursor to the top right corner of the screen to bring up Charms bar and then click Search.

windows 8 charms bar search

b. Click Settings, type uninstall, and click Uninstall a program in the search results.

uninstall windows8

c. Look for Microsoft(R) Windows(R) Millennium Operating System or the program from Windows Software Developer, right click on it and click Uninstall to uninstall it from your system.

uninstall software windows8

d. After the uninstallation, restart your computer and then reinstall the software with your disc or the installer from the official website.

Method 3: Run a virus scan.

Malware infection is one of the most popular cause of various computer problems like WDMFS.SYS error. Computer malware can make their way into the system, change system settings and corrupt system files. When this happens, Microsoft(R) Windows(R) Millennium Operating System and Windows becomes more prone to WDMFS.SYS error and even malfunction.

Steps:

a. Restart your system into Safe Mode with Networking.

b. Open your antivirus or antispyware program. (You can also use this recommended malware detect tool)

c. Run a full scan for your system.

d. After the scan completes, either quarantine or remove any detected malware.

e. Restart your system.

Method 4: Restart your computer.

You can try restarting your computer to fix WDMFS.SYS error, as sometimes WDMFS.SYS error may be temporary and can be fixed after a system restart.

Method 5: Repair corrupted Windows registry.

As the most important part of Windows operating system, Windows registry is a place that stores all information and configurations of software and hardware. A problematic registry is one of the most common causes of computer errors like WDMFS.SYS error. Software installation, uninstallation, malware infection can make changes to the registry. Over time, more and more invalid entries are left and accumulated in the registry and then lead to various errors and problems. The registry needs regular maintenance to keep it tidy and stable. Manual editing the registry is not practical for people with no computer expertise, it's recommended that you use a registry cleaner to do this job.

Recommended:

Note: It requires certain computer knowledge to perform the above solutions. If you're not comfortable with this process, it's recommended that you download and run this automatic error fix utility to fix your PC problems automatically:

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Does WDMFS.SYS error still persist?

Feel free to contact us for more assistance.

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