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What Is It About Mup.sys.?

Known file sizes on Windows 10/8/7/XP are 105,344bytes (31% of all occurrences), 107,904bytes and 5 more variants. We have not received any complaint about this process having higher than normal impact on PC performance. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. Type "command" in the search box...

Using the site is easy and fun. Choose repair. Thanks again for the advise,. mup.sys appears to be a compressed file. try this

In the Save In list, select the folder where you want to save the Windows NT Workstation 4.0(Debug/Checked Build) backup key. Thank you thank you thank you!! Based on reviewing this thread, I started it up on my XP CD, went to Recovery Console, and did a checkdisk /r. Ive also lost my volume control.

Without driver files such as mup.sys, you wouldn't be able to do simple tasks such as printing a document. Use Registry Editor at your own risk. Helpful +0 Report ubuntuman Feb 9, 2010 at 08:46 PM Hi Friends!!: I had the following problem: I have installed XP sp3 on a PC then I have tried to install Back to top Page 1 of 2 1 2 Next Back to Windows XP Home and Professional 0 user(s) are reading this topic 0 members, 0 guests, 0 anonymous users Reply

The processI detail is reversible if you back up the original hives first as instructed so it is worth a try ;) The fundementals of this procedure should also workon Windows When trying to boot into safe mode, the computer hangs on or after loading the mup.sys driver. Report NEU- Oct 19, 2009 at 05:18 PM The computer you copy the file from MUST HAVE the same configuration of your computer..... http://www.aitechsolutions.net/mupdotsysXPhang.html My spyware gets taken over along with everything on my pc.

Click the Uninstall button on the top menu ribbon. There is no detailed description of this service. mup.sys blue screen caused by a damaged hard disk. And to top it off I can't find the installation disk!

The USB listings in a report from Everest are:PCI Devices:Bus 0, Device 29, Function 7 Intel 82801DB(M) ICH4(-M) - Enhanced USB2 Controller [B-0]Bus 0, Device 31, Function 3 Intel 82801DB(M) ICH4(-M) this contact form Mange When i installed WINxp sp2 its hanging with startup Windows. Drivers can work one day, and suddenly stop working the next day, for a variety of reasons. If you take an image of a disk with Windows as installed for a Pentium 4 on an Intel motherboard, and then try to apply that image onto a machine with

Let it run, it would reboot your Machine once. Yes, they'd run Windows Update the day before, and as suspected it messed up. Then XP will reinstall the entire operating system like it was a new installation, but doesn't wipe out your hard drive. Ive run chkdsk using the F command while the Windows XP loading screen is on and everything checks out.

ephraimice Its possible a virus has modified the Bios. This morning when I restarted it did the multiple restart at mup.sys thing. SYS file errors are typically caused by faulty hardware or corrupt device driver files. I restarted in safe mode and the screen froze at the Mup.sys line and the keyboard went dead and I had to manually turn off the computer.

Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Our aim is to give you the best possible answer.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time.

Memtest86 is a BIOS-based memory testing software, unlike other testing programs that must run within Windows. Step 5: Uninstall Recently-Installed Program Associated with Windows NT Workstation 4.0(Debug/Checked Build) / Mup.sys If your mup.sys BSOD error is related to a specific program, reinstalling Windows NT Workstation 4.0(Debug/Checked Build)-related I can only read and write. It takes less than a minute and is completely free!

Good luck, Jim Rob Walker Nov 09, 2005, 04:39pm EST Reply - Quote - Report Abuse Private Message - Add to Buddy List >>Re: Windows xp freezes at mup.sysTo the Back to computin' !! In the Registry Editor, select the mup.sys-related key (eg. Below is a list of troubleshooting steps to resolve your mup.sys problems.

My Windows XP install was also stopping at muy.sys. Select command prompt 4. If you have had bad experiences with it please let us know in a comment below and we will investigate it further. If there is no specific way to reset theESCD data via the BIOS you can force this by reflashing.

They offer a malware removal guarantee that is not offered by other security software. What do you know about mup.sys: How would you rate it: < Please select > important for Windows or an installed application (++) seems to be needed (+) neither dangerous nor Damaged hard drive in new system brings the same error. Try deleting the USB 2.0 drivers and re-install the card?

SHOW ME NOW CNET © CBS Interactive Inc.  /  All Rights Reserved. Step 8: Check for Hard Drive Corruption ("chkdsk /f") While most storage-related, mup.sys blue screen errors are caused by problems with your hard disk drivers or storage controllers, in some cases Use the Belkin drivers instead of the drivers XP installs?