Event ID: 8149 :The client-side extension could not remove user policy settings for ' ' because it failed with error code '0x8007000d The data is invalid.' See trace file for more details.
[ Name] Group Policy Power Options
+ EventID 8194
[ Qualifiers] 34305
[ SystemTime] 2010-03-04T19:39:38.000Z
Computer "Server name"
[ UserID] xxx
0x8007000d The data is invalid.
This error has appeared in Application log on Windows Server 2008.
This error was related with Client Side Extensions and Power Options.
The GPO with Group Policy Preferences with settings for Power Optiond previously was deleted and this GPO was not applied any more.
The solution was to rename XML files to this folder:
Note: C:\ProgramData is hidden in Windows Server 2008.
This alert has dissapeared after renaming XML files.