1. I can not activate this Windows with any crack.
Good, sorry we do not aprove piracy.
I'll suggest you to boot into safe mode,
Hold shift while clicking restart
and do the following.
Remove all additional programs with Ccleaner.
Do not delete the Intel, Microsoft and realtek applications
If you're not sure what to delete. send us a screenshot.
Ccleaner >> Tools >> Uninstall >>
after that you should disable some boot entries in Ccleaner
Ccleaner >> Tools >> Startup >>
Then run AdwCleaner
AdwCleaner: removes the following
Adware (ads softwares)
PUP/LPI (Potentially Undesirable Program)
Hijacker (Hijack of the browser's homepage)
and run Malwarebytes anti-virus.
Antivirus adn PUP removal tool.
After that i would suggest to run the Ccleaner's cleaner
Select manually in the right column (Windows & Applications)