ALL security updates fail with 80071A91 error code
System information: Windows 7 Ultimate 64-bit, i7-720QM, 6GB RAM, 256GB SSD, ATI 4670 [Dell Studio XPS 1645]
UAC was turned off.
Turning UAC on stops my gadgets from working [another thread on these forums...].About a week ago, I had Speech Recognition not working with some locale issue.
Inserting this registry entry, ctfmon"="CTFMON.EXE, at HKLM\Software\Microsoft\Windows\CurrentVersion\Run, fixed the issue.
However, I cannot find that registry entry anymore.
Four days ago, I had slow internet speed.
I ran a "Full" Microsoft Security Essentials scan and it found many exploits (Explot: Java/CVE-2009-3867.BX, TrojanDownloader:Java/OpenConnection.AK, TrojranDownloader:Java/Rexec.c, and about a dozen others).
removed all of them.
The internet speed returned to normal.
This morning, I updated the firmware on my SSD to enable TRIM.
I restored an image of the drive I made with Windows Backup and Restore right before updating the drive.
I tried Windows Update after updating the SSD.
It downloads all the updates, installs, and prompts for a restart to finishing installing.
On Shutdown, some files are "configured".
On reboot, during the Windows GUI Boot (flying circles) there is a burst
of code, something about the registry.
On logon, it gets to "35%" and then states "Failure to Configure Updates, Reverting" or something like that.
I get a notification that the updates have failed.On Windows Update, only Silverlight, Windows Malicious Software Removal, MSE Definition Update, and an Office Publisher update are successful. ALL other updates (Security Updates, Cumulative Security Updates, Updates for IE, Updates for Windows) fail with the error code 80071A91.If you're looking for the updates that fail, here they are: KB2416400, KB2296199, KB2305420, KB2385678, KB2423089, KB24236673, KB2442962, KB246759, and KB2443685.
What I have tried:
Attempted Disk Cleanup (and unfortunately removed all restore points in doing so).
Did not work.Attempted sfc /scannow.
It found some files it could not correct; I have the CBS.log if you need it.
However, updates still do not work.Attempted to reset the File Resource Manager with "fsutil resource setautotest true c:\".
It is successful.
However, after reboot, the updates still do not work.Attempted a Full scan with MSE.
No problems are found. Attempted to reset Windows Update Components (using the Vista Fix-It via KB971058).
Updates still do not work.Attempted Microsoft's Malicious Software Removal Tool (Dec 2010 update) Full Scan, no malicious software was detected.
Updates still do not work.Attempted Malwarebyte's Anti-Malware Full Scan, no malicious software found.
Updates still do not work.
I do not think the issue is malicious software, but an Windows problem....My internet has been wonky over the past two days, lots of packet loss (pages only "half" load, some frames missing, etc.).
Not sure if that is related, but it downloads the updates
It fails consistently at the "35%" marker.
I'm out of ideas.
Keys to the Problem ALL security updates fail with 80071A91 error code
Approximately 1 year ago I installed MSE.
McAfee was preloaded; the subscription was current (within a 90-day trial), and I uninstalled McAfee completely (regular uninstall and Removal Tool supplied by McAfee).
Yes, for approximately 30 minutes before I uninstalled and installed MSE.
However, with a bit of help at Seven Forums, we figured out it was the registry.
I performed a reinstall and afterwards the updates installed correctly.
Thanks for the help, though! :)
- Access the files on your computer via MY COMPUTER
- Under the C: drive, access the WINDOWS folder
- Select the SOFTWARE DISTRIBUTION folder, followed by the DOWNLOAD folder.
- Delete any files within this download folder.
- If you are unable to delete these files, open the command prompt (CMD) as the administrator, and type "net stop wuauserv" into the CMD prompt window. Press ENTER. This should allow you to delete the files from step 4.
- Once the files are deleted, open and run the CMD as the administrator and type "wuauclt.exe /updatenow". Press ENTER.
Another Safe way to Repair the Problem: ALL security updates fail with 80071A91 error code:
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1. Click the button to download Error Fixer . Install it on your computer. Run it, and it will scan your computer. The junk files will be shown in the list.
2. After the scan is done, you can see the errors and problems need to be repaired. Click Fix All.
3. When the Fixing part is finished, your computer has been speeded up and the errors have been fixed
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