Windows Vista hanging at Welcome Screen and control panel

Hi,

I have a vista machine that hangs 9-10 times at the Welcome screen... until you press Ctrl+Alt+Del, then escape out of the lock/task manager menu. After that it will go to the desktop.  It will also hang while opening up the control panel, but if you restart explorer.exe then the control panel will come up. I've disabled all of the startup items.

The only thing I see in the event log is a warning for the following:

The configuration of the AdminConnection\TCP protocol in the SQL instance MSSMLBIZ is not valid.

Again I've disabled all of the startup items and some of the non-MS services. any ideas?
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TymetwisterAsked:
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TymetwisterConnect With a Mentor Author Commented:
IT appears that installing a Dell WLAN driver has corrected the issue, though it still runs slow and takes 30 seconds for the welcome screen to finish loading.  Any other thoughts? It's defragged and running a dual-core 64-bit AMD with 1gb of ram. plenty of hdd space.
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NerdsNowCommented:
you could do a repair install, I would guess that would take care of it.
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TymetwisterAuthor Commented:
Would I lose data/files with the repair option from the disc?
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NerdsNowCommented:
No it essentially works like an OS upgrade, it replaces the windows files with the fresh files off the disk.

here is a link to a page showing how to do it, you may have to scroll down to see the instructions.
http://www.vistax64.com/tutorials/88236-repair-install-vista.html
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NerdsNowCommented:
Although it is not supposed to touch anything but windows files, I would still back-up if your information is very important, just a a good general rule.
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TymetwisterAuthor Commented:
Dang, well, it's saying it can't be done if I have SP2 installed which this machine does.
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NerdsNowCommented:
this makes it more complicated but you could slipstream SP2 into an install disk

http://www.vistax64.com/tutorials/230249-sliptream-vista-sp2.html

or try to find a copy or .iso online that has SP2 already on it and use that

if you installed vista from a disk with sp2 it should work fine without having to any slipstreaming but if you installed an earlier service pack and then upgraded to SP2 then you would have to go through the whole slipstream process.
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NerdsNowCommented:
you could also run a system restore to a date before this issue occured, and this also doesnt effect your data either
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