Hung at mup.sys is a fairly common error on a Windows 2000, XP, or Vista system. If you scan the net for solutions for a mup.sys boot hang on windows you will find that there a many different resolutions recommended to solve this apparently confusing boot issue.

The truth is, this hang is not normally caused by the mup.sys driver itself. In fact, you can use the windows xp recovery console to disable loading mup.sys at startup and you will see the hang will then occur at the driver that had loaded previously to mup.sys. The real cause of this boot hang actually occurs during the windows boot process that follows after loading mup.sys.

What is happening during this boot process? Well after mup.sys loads windows starts configuring itself to the hardware specific to your system. It refers to ESCD data, PNP information and its registry. If there are problems processing that data you will get the described lockup or in some cases go into a reboot loop. Alas, there are even some more causes that get the best troubleshooters scratching their heads! Find the resolution here.

We have an updated tips and troubleshooting guide that will help you get to the root of this nasty boot hang issue and resolve it fast. As an added bonus we provide a unique, easy to understand description as to what actually mup.sys does from windows  programmer resources. 
Jump to Resolve mup.sys boot hangs on windows to get the full story.

Any questions, kudos, opinions, success stories or whatever?, Please feel free to leave a comment or two.
I'd really appreciate that!

Good luck and best to you! Thanks for stopping by.

 

What did you think of this article?

Liked
Disliked
No Opinion