Try System Restore to Date/Time before you installed Firefox:
Start/All Programs/Accessories/System Tools/System Restore
Otherwise check for damaged/missing system files:
Start/Run
Type "sfc /scannow" ENTER
Follow prompts and have Windows XP CD available.
--
Jupiter Jones [MVP]
http://www3.telus.net/dandemar/
"ivoos" <> wrote in message
news:AE7E18D8-1823-4D96-991E-...
>I installed Mozilla Firefox but i came to
> the conclusion my computer was too slow for it.
> So i deleted it again and all of a sudden my Java stops working and i cant
> even open Outlook properly.
> I had to give my pass again to get my mail and it takes a long time to
> open
> outlook. When i open an email in a new window outlook crashes.
> things that also stopped working:
> - Runescape (a java game)
> - Google toolbar
> - Norton antivirus
> - internet banking (java applet)
> - Windows update
> ....
>
>
> I tried re-registering all of the dll files it says on the windows help
> pages and everything else i could find but nothing helps