Run the following in cmd as Admin:
sfc /scannow
chkdsk /r/f
%SystemRoot%\System32\Cmd.exe /c Cleanmgr /sageset:65535 & Cleanmgr /sagerun:65535, hit Enter, check ALL boxes, Hit OK
Run CCleaner
Run Malwarebytes
And Internet Options, Delete, Delete.
Run Start-up Repair from the OS disc.
Report back, please & thank you.
Cheers,
Drew