A couple of days ago I downloaded something, but it turned out to be a trojan or virus or something. What happened was it changed my desktop background picture to a BSOD image saying something about a trojan infection, and I couldnt change my background picture - when I went to display properties there was only two tabs there: screensaver and settings.
So I used Microsoft anti spyware and kaspersky anti virus and they got rid of some things, and I also managed to find the background picture and deleted that also so now my background is just black, but I still can't change anything.
I went to http://www.kellys-korner-xp.com/xp_tweaks.htm
and used the "Restore All Display tabs" registry fix thing there and it worked, enabling all the tabs in display properties that were diabled again, BUT I STILL can't change my desktop background image. I can click on the tab for it now and I can see the list of images and the browse button etc, but everything is grayed out and i can't click on it.
So I went into regedit , hkey_current_user, software, microsoft, windows, currentversion, policies, activedesktop to see if i could change the NoChangingWallPaper value, but it is already set to 0!
I am running XP Professional.
Also, when I try to change it by going into Paint it says that I must save the file before making it the background, even though it is already saved!
Any help would be greatly appreciated as this is very frustrating.