re: Mup.sys? Hangs but not? Wha's happening?
Tuesday, May 11, 2004 at 11:26 am Windows XP Annoyances Discussion Forum
Posted by Noxeos
(1 messages posted)
Multiple UNC Provider—MUP
Hence, MUP.SYS
Basically, MUP.SYS is sent requests to link UNC names to local resources (files and
folders). It is used in network situations where UNC is used. The problem arises
when MUP.SYS cannot link a UNC name to a local resource (a file or a directory) and
produces an error. In the case of startup, it locks the computer. Because of the
nature of this file, there is no definitive answer why it causes a lockup. It is
generally NOT a hardware error, but that is a possibility.
In my case, MUP.SYS was locking up because I corrupted the NTFS partition on my hard
drive by using Partition Magic to resize my partitions which did not complete sucessfully.
The corruption of the NTFS partition caused a problem linking the files on my hard
drive in MUP.SYS. I was not able to boot from the CD because the corruption on the
hard drive still existed; therefore, whenever I tried to boot from CD, I would get
the same error. The solution I choose was to boot from a Windows 2000 CD (I was running
XP), and repartition and reformat the hard drive, and reinstall XP.
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