Vssvc - No List Writers

Recently I have been getting some vss errors such as 80, 8193, 11 and others.

Reinstalled SP2 on the server and applied KB940032. This is also a SQL 2005

server. When performing vssadin list writers command, no response. Unable to

perform a system state backup. My understanding from reading from some of

these postins is to rename some COM+ files, backup/delete COM+ registry entry

and reinstall COM+ components from add/remove programs. Is there anything

else that I should do?.... Any suggestions anyone??? thx

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Have a Nice Day!