Windows 7 SP1 Installation Failed with C0000034

Solution 1:

I've had this exact same problem on two of our customers computers. This thread has been of some help to me, but I still haven't figured out whats causing the error.

Update: I spent almost two hours on the phone with Microsoft Tech Support on this issue. The support tech had me do the following steps:

1. Boot into Windows Recovery and choose command prompt then run the following commands:
2. Reg load HKLM\BaseSystem C:\Windows\System32\config\SYSTEM
3. Reg Delete "HKLM\BaseSystem\CurrentControlSet\Control\Session Manager" /v SetupExecute
4. Reg add "HKLM\BaseSystem\CurrentControlSet\Control\Session Manager" /v SetupExecute /t REG_MULTI_SZ
5. Reg unload HKLM\BaseSystem
6. Restart the Computer.

I'm posting more info as we learn it our blog.

Solution 2:

Ouch.

Try the System Update Readiness Tool. Also (I know it is a different error) but see if this question on SU helps.

Solution 3:

This worked for 35 computers in our school. http://social.technet.microsoft.com/Forums/en-US/w7itproinstall/thread/1c9a7151-b48c-4a98-aae7-a4b82682ea8e/#bcabda57-7338-499f-aee2-d708e76df315

Solution 4:

Here is the solution I found for getting workstations back up and running again, mainly taken from this rather old question on TechNet:

1. Get into the Windows Recovery Environment.
2. Open up the command prompt.
3. Change directory to C:\Windows\System32\config (note: this might actually be D: if the reserved partition has been mounted as C:)

4. Copy rename the following files to .old

   • default -> default.old
   • sam -> sam.old
   • security -> security.old
   • software -> software.old
   • system -> system.old

5. Change directory to regback

6. Copy default, sam, security, software and system to the parent directory (copy * ..)
7. Restart
8. Run sfc /scannow to restore the modified files (you may have to run the same command several times)

After that I was back to pre-SP1 state and everything appears to be working.

Solution 5:

There have been numerous "fixes" for this issue, and a number of causes. The only thing that has fixed EVERY affected machine every time is the following: (note: if you don't have a functioning local administrator account then you can not use this fix without using a SAM edit boot CD to override the local admin account)

1) reboot your Windows 7 machine after the failure message

2) Select "Launch System Repair" from the failed boot menu

3) let it run through the attempted auto-repair (it will fail)

4) select the advanced options link near the bottom of the repair failure dialogue

5) launch the command console (the last option)

6) change to your local system disk (c: unless your HDD has other partitions for recovery etc...). You know it's the right disk if it has the folders "Windows" and "Program Files (x86)"

7) run the following 3 commands:

cd \windows\winsxs

ren pending.xml pending.xml.bak

copy reboot.xml pending.xml

8) reboot the computer

9) SP1 will try to apply 3 times and fail. When it fails it will roll back to pre-SP1 and boot normally

10) all fixed (this worked for 17 computers today)