Trouble:
It is extremely annoying to get stuck at the welcome screen of windows Xp. One of our readers submitted such problem, that Windows Xp hangs at welcome screen. This happens mainly due to some problem with one of the system files of windows Xp. The file is MUP.sys.
What is MUP.sys?
The process Multiple UNC(Uniform Naming Convention) Provider driver belongs to the software Microsoft® Windows® Operating System by Microsoft Corporation. This is Microsoft system file which is needed at the time of startup.
Why computer hangs at welcome screen?
When there is something wrong with the MUP.sys the computer hangs at welcome screen. Which maybe due to a hardware problem or a driver problem or may also be due to a virus has corrupted MUP.sys .
Let us see how to fix it up.
Fix:
Generally there can be two ways to fix this problem
Fix1 : If MUP.sys has been corrupted due to a virus action, then try to boot your computer in Safe mode and run a full system virus scan with your anti-virus software, this may fix the problem. The system will boot in safe mode only if its not a major damage to the file. If the system is not booting in safe mode, then refer to Fix2.
Fix2 : In case the system refuses to boot up at all, then it is recommended to run a repair setup of windows Xp. To run repair setup, boot the computer with Windows Xp bootable CD and on installation screen, press R for repair setup. For detailed steps see this link.
Tip : Run disk-scan once a month and virus scan once a week to avoid file corruption problems. Keep the anti-virus definitions updated for defense against virus attacks.
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