vista cant update sp2 because propsys.dll corrupt

kalkaskageek
kalkaskageek used Ask the Experts™
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when i try to update the customers computer sp2 has the system restart and scans the files and it gives me a black screen from hell, and the propsys.dll files is the issue so far. I tried the repair to no avail, i cannot copy a fresh dll into the system32 folder (from vista) have not tried safe mode to copy the dll yet. And the sfc /scannow says it cant fix the corrupted dll. and help please. BTW the system had a virus on it that was removed.
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Commented:
I would suggest a startup repair, as this leaves their files and applications intact. http://pcsupport.about.com/od/toolsofthetrade/ss/windows-vista-startup-repair.htm

Author

Commented:
I tried the bootable vista repair and it did not work
Top Expert 2009

Commented:
Hi, maybe a silly question, but did you used an elevated cmd prompt to run Sfc?
OS 64bit?

Author

Commented:
yes i did elevate the sfc/ scannow to admin when i ran it, and it gave me that error

Author

Commented:
and it is 64 bit os,or else i would run reimage

Author

Commented:
for those who do not know what reimage is please visit www.reimage.com

Commented:
kalkaskageek,

I changed the zones for this question from

--Windows Vista
--Windows 64-bit

to
--Windows Vista
--Windows 64-bit
--Microsoft Windows Operating Systems
--Miscellaneous Hardware
--Hardware Components


Vee_Mod
Experts-Exchange Moderator

Commented:
Are you able to rename the propsys.dll file to propsys.hld. If you can, then you should be able to put a fresh copy in.
Top Expert 2009

Commented:
If Edbedb's suggestion dosn't work run these scanners if not already done so.
Post logfiles if needed

Malwarebytes  http://www.malwarebytes.org/mbam-download.php
Hitmanpro64(save xml log) http://www.surfright.nl/en/downloads/
Have you tried to register the replacement dll using regsvr?

in CMD:

cd \windows\syswow64
regsvr32 c:\[PATH TO REPLACEMENT DLL]

Commented:
Can you bring up the boot menu (F8 on startup) and restore to "Last Known Good Configuration".  Once you are into Windows, try and restore back to a restore point as far back as you possibly can, then perhaps you can install SP2 from there.

Author

Commented:
I have tried the regsvr32 command but the utility errored out on me, saying it couldn't find the file, i will try the to restore back.

Author

Commented:
Okay so i ran Malwarebytes again, and adaware was found 2 traces, removed fine, and hitman pro 3.5 works wonders as it found a rookit, and removed it. But i am still not able to update to sp2 or register the replacement dll. which is porpsys.dll, The restore points prior to a week ago are gone, so that will not work. Any other ideas? The very last thing to do would be grab data and reinstall....
@kalkaskageek

Doublecheck if you had the path to the file and the filename correct, And ofc dont put in the "[   ]" But i guess thats obvious.

If All above does not work your installation is just to corrupt to repair, you will have to reinstall the os.
Top Expert 2009

Commented:
1>Did you save the log for Hitmanpro? A rootkit would be very rare on a 64bit OS.
Or open Hitmanpro, settings and history tab. Screenshot if possible :)

2>See if  system readiness tool will run
http://support.microsoft.com/kb/947821

Author

Commented:
Alright here is a screen shot of hitman
Untitled.jpg
Top Expert 2009

Commented:
Cool, thanks :)

Check that propsys.dll file out at Virustotal
http://www.virustotal.com/

Try the readiness tool.

Author

Commented:
I am downloading the readiness tool as we speak, and i will try the link, will post back with info

Author

Commented:
Ok so the hotfix did not work either, the propsys.dll is still corrupt. We are only going to worry about the update if the customer wants it done. And if so he will need to back up files because it will require a reinstall
Top Expert 2009

Commented:
Looking like a wipe n reinstall :(
Virustotal came back clean on that file?

Author

Commented:
yep the file came back clean. i dont know if the customer will want a reinstall, but i did tell sp2 to hide from autoupdates, so he would not run into it. It is a busniess computer and he needs it back soon i bet.
Top Expert 2009

Commented:
Unless the ram/memory or  hard drive is having issues.
Ubcd has utilities to test them:
MemTest for Ram
All hard drive manufacturers diagnostic tests are on cd

Always advisable to get an image or data backup first :)
http://www.ultimatebootcd.com/download.html


Author

Commented:
The customer wants to hide the update, thanks foir the help though.
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