Click start then search, include hidden and system files, look for internet explorer
When it shows an internet explorer folder in programme files, right click it, click open containing folder, if you hover the cursor over the internet explorer icon, does it say version 7
If you have an XP CD you can run a repair install, this leaves the data and programmes intact but removes any windows updates which have been added since the original install
You can use this guide to repair XPPossibly, you will need to press the power button and keep tapping the delete key, (possibly F2) until the PC enters set up. Change the boot order to CD ROM Drive then hard drive, press F10 then press enter, load the XP CD then type Y then press enter, as it reboots, look for press any key to load from CD, press enterYou will need your XP product key to complete thisThe XP Product Key is a 25 character alpha numerical code, which does not include the sequence OEMIf you have audio / video files which are subject to DRM you should check with the provider for known issues with performing an XP repair installClick this to view the XP Repair Install GuideWindows XP repair feature won't delete your data, installed programs, personal information, or settings. It just repairs the operating system
The XP repair install will look and run as a normal install, however, you must not see a request to format the driveAfter running XP Repair you will need to install all Windows UpdatesMicrosoft Update