Cannot start windows event log service on Windows 7. Error 4201.__

Cannot start the Windows Event Log service on Local Computer.  Error 4201: The instance name passed was not recognized as valid by a WMI data provider.
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Hi Ramesh,

That did the trick.  For the record:
1) Used msconfig to switch to safe mode boot
2) Booted to safe mode
3) ran cmd.exe as an administrator
4) typed "cd C:\Windows\System32\LogFiles\WMI"
5) typed "rename RtBackup RtBackup2"
6) Used msconfig to switch to normal boot mode
7) Reboot and found event viewer working

Thank you! 

Rung

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Hi rung_windows7,

Renaming or deleting the following folder seems to work for some users:

C:\Windows\System32\LogFiles\WMI\RtBackup

REF: Event log error 4201 - ERROR_WMI_INSTANCE_NOT_FOUND (a helluva great thread)

Ramesh Srinivasan, Microsoft MVP [Windows Desktop Experience]
ex-MVP (2003-2012) (Windows Client)

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Last updated May 5, 2021 Views 149,490 Applies to: