Run Windows own registry fixing tool:
Start > Run > type "SCANREG /FIX" (no quotes - note space between G and /)
Press enter and reboot when the process completes.
This tool will fix and optimise the registry.
See if that helps.
I have a HP Pavillion with Windows 98 I purchased new several years ago. I still have the OEM disks that came with it. As time has progressed it seems to be slowing down. An assumption of mine is that between downloading software and removing it. That the registry file is probably a real mess.
Is there something that can be done to correct registry file problems without going in and trying to directly edit the registry file, or just completely putting in the disk that gets the computer back to the exact same configuration as when it is purchased new.