ERROR: SQL Error: invalid class

SQL invalid class
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Symptoms When you run the Report Configuration Wizard you receive the following error message: "Invalid class."
Resolution 1. Open the following folder for the SQL Server 2012: "C:\ProgramFiles(x86)\MicrosoftSQLServer\110\Shared\
(Open the following folder for the SQL Server 2008: "C:\Program Files (x86)\Microsoft SQL Server\100\Shared\" )

2. then run: mofcomp sqlmgmproviderxpsp2up.mof

3. This should give an output like this:

C:\Windows\system32>cd "C:\Program Files (x86)\Microsoft SQL Server\110\Shared\"

C:\Program Files (x86)\Microsoft SQL Server\120\Shared>mofcomp sqlmgmproviderxpsp2up.mof
Microsoft (R) MOF Compiler Version 6.1.7600.16385
Copyright (c) Microsoft Corp. 1997-2006. All rights reserved.
Parsing MOF file: sqlmgmproviderxpsp2up.mof
MOF file has been successfully parsed
Storing data in the repository...
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