As to the search, try http://www.dougknox.com/xp/tips/xp_search_probs.htm
As to help and support, your post of "will not run" would have me fetch the XP CD and run SFC /SCANNOW
Bob
My computer locked up whilst running system restore, when i restarted i found i was unable to run sytem restore again, my help and support will not run and i have no search.
Does anyone know what i can do to fix this.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic