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Win7 SP1 Update not installing - mismatched Mail file. 0x80004005
After days of chasing this, I'm, baffled and would appreciate assistance.
I have been unable to install SP1 since it came out, and finally committed to solving the issue. Fail occurs at 80+% completion with the error 0x80004005.
CBS.log Error line says:
Attempted to uninstall a version of a non-driver component that is not installed, version: 0X600011db04001, component: x86_microsoft-windows-mail-core-dll_31bf3856ad364e35_6.1.7600.16385_none_585517a9869db81d, owner: Microsoft-Windows-Client-Features-Package~31bf3856ad364e35~amd64~~6.1.7600.16385.Microsoft-Windows-Client-Features-Update [HRESULT = 0x80004005 - E_FAIL]
Failed to mergecomponent [HRESULT = 0x80004005 - E_FAIL]
The installer seems to get stuck dealing with the Windows Mail msoe.dll. Two years ago I had followed the manual steps posted in this forum to restore Windows Mail in place of Windows Live Mail. Once the issue was identified as Mail-related, I restored the original msoe.dll files in the two Windows Mail folders. (see attached screencap.) I then switched to/uninstalled/reinstalled Live Mail (which works) to try to get SP1 to find the files it is expecting to find.
Most recent steps taken:
- Rebooting with non-microsoft startups and services disabled, including AV.
- Ran the System Update Readiness Tool. Hotfix for Windows (KB947821) No issues reported.
- Ran the Fix-It to Automatically diagnose and fix common problems with Windows Update.
- Ran the Fix-It to increase filter drivers limit from 8 to 14
- Ran SFC /SCANNOW from an elevated CMD prompt.
- Attempted to install the Service Pack from the x64 full download.
- Repaired Windows Live Mail (issued discovered and reported fixed.)
- Uninstalled Windows Live Mail (Live Essentials)
- Reinstalled Windows Live Mail (Live Essentials - Mail module only which opened successfully)
- Repeated the System Update Readiness Tool. Hotfix for Windows (KB947821) No issues reported.
- Uninstalled Windows Live Mail
- Attempted installs from full download in safe mode.
Throughout - rebooted and reattempted the SP1 install between each step - always with the same result (same error 4005 and CBS log entry above).
Is there a registry update I can make that would make SP1 skip over trying to uninstall the already uninstalled Mail software?
Full CBS log attached.
All ideas appreciated!