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  Windows XP freezes at mup.sys, how do I fix it? 
 
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Wayne Norman Sep 13, 2004, 10:32am EDT Reply - Quote - Report Abuse
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I tried everything I can think of to solve this problem - if anyone can help me please tell me what to do.


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Michael A. Sep 14, 2004, 02:11am EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
When did the problem begin to occur? Did you already attempt using System Restore to go back to before the problem started? Do you have access to another Windows XP machine or CD where you could get a fresh copy of the file?

Michael A.
Website: http://itnode.net
Wayne Norman Sep 15, 2004, 03:41am EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
I got the system from a friend that could not solve it I have got a nother system with xp home edition on it but the computer needs xp pro edition

Supreet Virdi Sep 15, 2004, 03:45am EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
Wat do u mean?

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Michael A. Sep 15, 2004, 04:27am EDT Reply - Quote - Report Abuse
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Edited: Sep 15, 2004, 04:27am EDT

 
>> Re: Windows xp freezes at mup.sys
Wayne, can you boot the computer into safe mode? If so, make a copy of "mup.sys" from your other computer and bring it over to the one with the problem.

Michael A.
Website: http://itnode.net
Michael A. Sep 15, 2004, 05:27am EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
Just though I would add:

Can you get into the Windows XP recovery console?

Michael A.
Website: http://itnode.net
Wayne Norman Sep 15, 2004, 10:52am EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
the hard drive has died and I could not get it in to any mode because it frooze while loading that boot file

Michael A. Sep 15, 2004, 11:02pm EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
Wayne:

If your computer loads all the way up to mup.sys then your HDD has to be working. If it was dead it wouldn't even load anything at all. It wouldn't even attempt to load that file.

Chances are that that file is just corrupted. Do you have a Windows XP CD-ROM so that you can boot into the recovery console and replace the corrupted file?

Michael A.
Website: http://itnode.net
Michael A. Sep 18, 2004, 05:07pm EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
You still around, Wayne?

Michael A.
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Jerry Green Sep 19, 2004, 05:05pm EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
I have the same problem as Wyane. I have tried to install a new system image and I get the same problem of a freeze at mup.sys. I have tried to start with a xp cd but it freezes at starting windows. Any ideas?

Michael A. Sep 19, 2004, 05:08pm EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
Plop in your Windows XP CD and copy the file over in the recovery console. If you need help getting to the console or with copying the file just let me know.

Michael A.
Website: http://itnode.net
Jerry Green Sep 19, 2004, 05:19pm EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
That is the problem I can not get to that point in the install. I have a E machine and it comes with an image file of the system. I have another machine with xp pro but when I boot from cd it freezes at starting windows and I do not get to the option to repair.

Jerry Green Sep 19, 2004, 05:22pm EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
On the xp pro cd from Dell it does not have "cmdcons" on the cd.

Wayne Norman Sep 20, 2004, 07:57am EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
I ment the hard drive died the following day

GReddy Sep 20, 2004, 09:44am EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
I had this problem as well it turned out not to be the mup.sys file that was the problem... it actually loaded it was the last file in the series... what actually fixed my problem was a registry entry that tells xp to look for another keyboard... I changed the 1 to a 0 and viola... booted right up...


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Michael A. Sep 21, 2004, 06:42pm EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
Another keyboard? That's odd...

Michael A.
Website: http://itnode.net
Adrian Hardy Sep 30, 2004, 11:33am EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
I have the same problem but i can't get into windows to change anything to fix it :( and i can't find the recovery console on the cd that i got with my computer :-\

jmerc Sep 30, 2004, 01:35pm EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
If you can get into your bios, maybe you can try loading the default optimized bios settings. I would try this if your motherboards bios has this option.

Another thing to try if that doesn't work is to flash your bios if you have access to another computer.


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Adrian Hardy Sep 30, 2004, 02:51pm EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
That didn't work :(

John Asnin Oct 05, 2004, 11:00pm EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
I have a similar problem related to MUP.SYS.

I have been running a multi boot system (Win 98 SE and Win XP Pro) without a problem for about a year and a half in a computer I built myself. No problems whatsoever – everything ran fine. Ten days ago I lost the motherboard. Since then I have built a new computer with the plan being as follows:
A. Install Win XP on a new hard drive in the new computer
B. Install the old hard drive as a slave drive in the new computer
C. Copy my data files from the old hard drive as needed

Unfortunately, I am unable to install Win XP on the new hard drive. Halfway through Windows Setup the graphics are reset automatically, the screen becomes unreadable, and I lose track of what the heck is going on. I could, however, install Win 98 on the same hard drive with the same computer without any problems.

After scratching my head for a while I wondered what would happen if I put the old hard drive in the new computer – I figured the Windows XP Activation process would detect massive hardware changes and require a new authentication. Ok, that’s a small price to pay for saving my data files.

Now it gets interesting. Using the old hard drive I can get to my Win 98 OS, but NOT to my Win XP OS. It starts to boot and then fails with no diagnostic info whatsoever. If I reboot to Win XP in Safe Mode I see the last file loaded is – MUP.SYS.

Doing a Google search on MUP led me here. I have also tried using the Win XP Recovery Console to disable the MUP service as suggested in “Windows XP Inside Out”. No luck – same result with the only exception being MUP.SYS is not displayed.

So.. this leads me to think the NEXT process after MUP.SYS may be the culprit. But, since I can’t “get” that far – I don’t even know what it is.

Any ideas?

Thanks in advance.

Shane Wood Oct 06, 2004, 06:08am EDT Reply - Quote - Report Abuse
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>> Re: Windows xp freezes at mup.sys
The next file which loads is NDIS.SYS

I have the same problem and another forum gave me instructions to unload mup.sys from the bootup by going to the recovery console and typing "disable mup"

All this did was cause my machine to boot up to the same point then reboot.

I decided to format and reinstall.
This worked fine up until I installed service pack 2 for WinXP then the machine stopped booting again


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