Vista - vista problem

I have vista buiness,but recently i have a strange problem,vista seems to
have lost all my windows updates and all my downloaded files,including my
windows mail,but strangely i can see all my files and e-mails if i go in to
my computer then to my c: drive but its all been put under a different name?
very strange.worst of all i cannot update my computer in windows update,my
system will not even let me update manually,it keeps saying this update is
not required for my system,in windows update i get an error message saying:
WINDOWS CANNOT SEARCH FOR UPDATES.
ERROR CODE : 80070490.

aPART FROM THIS MY PROGRAMMES WORK OK
Also my restore points have vannished.

could do with some help please!!

pel

Google the error code:
http://groups.google.com/groups/search?q=80070490

You may be able to find elaborate instructions from Microsoft Support
to reset permissions and redo the WU agent, which most people report
didn't work. Generally, an in-place Vista upgrade did work:
By "LONG" time, it means hours and hours. If you do not have the
Windows Vista CD/DVD, then you could contact Microsoft Support:
https://support.microsoft.com/common/international.aspx

"PEL" <pel@xxxxxx> wrote in message
news:3B432156-B41E-44DB-B54E-467DF1D0DDB1@xxxxxx