This is not a site from which remote service is offered. Nor am I or almost all the people in this forum Microsoft employees. We are mostly old timers with extensive experience offering free advice.
Use a Windows 7 installation DVD or USB equivalent ISO.
Follow this procedure for a flawless running Win7 system:
https://www.askwoody.com/2019/canadian-tech-how-to-rebuild-a-win7-system-with-minimal-snooping/
Follow it precisely. Use an SP1 installer. If you cannot find one, come back here for further instructions.