I had a client that had this issue yesterday, when they logged into windows xp they reported the following error:
“SQLDUMPER library failed initialization. Your installation is either corrupt or has been tampered with. Please uninstall then re-run setup to correct to correct this problem.” in a modal dialog with the title “SQL Writer”
To fix this issue:
1. Start>>Settings>>Control Panel>>Add/Remove Programs
2. Select and revmove Microsoft SQL Server VSS Writer.
3. Restart your computer.
I have seen this occur with components that werre installed as part of a office 2007 trial. It is usually not used but if you do have a problem and end up needed vss writer, you can simply install the VSS Writer again.