I'd ask for help with windows 7 over here.
https://answers.microsoft.com/en-us/windows/forum/windows_7
or if malware is suspected ask here.
https://answers.microsoft.com/en-us/protect
Regards, Dave Patrick ....
Microsoft Certified Professional
Microsoft MVP [Windows Server] Datacenter Management
Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.