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consent.exe ([UAC]) is failing for me every time I try to install a program or driver, or disable UAC;

Faulting application name: consent.exe, version: 6.2.9200.16384, time stamp: 0x50108159
Faulting module name: ntdll.dll, version: 6.2.9200.16420, time stamp: 0x505ab405
Exception code: 0xc0000005
Fault offset: 0x0000000000005552
Faulting process ID: 0x2bbc
Faulting application start time: 0x01ce184623ef0458
Faulting application path: C:\WINDOWS\system32\consent.exe
Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll
Report ID: 6296dc08-8439-11e2-be7f-bc5ff40e81d2
Faulting package full name: 
Faulting package-relative application ID: 

The popup windows states "File system error -1073741819", so it might be a filesystem error or maybe registry error? Can I reset UAC somehow?

I have been removed a lot of installer program, ran windows repair and checked the drive, I havent found anything with this.

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Exactly how did you "check the drive"? Faults in the NTDLL.DLL usually point to bad drivers or hardware. Check out Microsoft's Driver Verifier if you want to try and detect which driver is crashing (warning: not for the faint of heart). – Ƭᴇcʜιᴇ007 Mar 3 '13 at 20:14
I've seen some really goofy problems for this with sound codecs. consent.exe plays a sound when it pops up, and if you have a bad audio driver, consent crashes. Try booting into safe mode and turning off your audio drivers. – vcsjones Mar 3 '13 at 21:43
@vcjones uninstalled all the drivers, still the same problem. Then I turned off all notifications, this allowed me to diable UAC. – oluies Mar 3 '13 at 23:01
up vote 0 down vote accepted

This seems to help

  1. Settings set system sounds - selected all off
  2. Disabled UAC
  3. Uninstalled all sound drivers
  4. reboot
  5. reinstalled sound drivers
  6. enabled UAC again
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