Karlosp.net

# Click Start, click Run, type cmd, and then click OK.

# Type the following commands at a command prompt. Press ENTER after you type each command.

* cd /d %windir%\system32

* Net stop vss

* Net stop swprv

* regsvr32 ole32.dll

* regsvr32 oleaut32.dll

* regsvr32 vss_ps.dll

* vssvc /register

* regsvr32 /i swprv.dll

* regsvr32 /i eventcls.dll

* regsvr32 es.dll

* regsvr32 stdprov.dll

* regsvr32 vssui.dll

* regsvr32 msxml.dll

* regsvr32 msxml3.dll

* regsvr32 msxml4.dll

Note The last command may not run successfully.

# Perform a backup operation to verify that the issue is resolved.

via Various issues may occur on a Windows Server 2003-based computer that is running the Volume Shadow Copy Service.