Note: After performing the troubleshooting steps in clean boot, follow these steps to
return the computer to Normal startup mode.
a) Press the ‘Windows + R’ key on the keyboard.
b) In the ‘Run’ windows type ’MSCONFIG’ and click ‘Ok’.
c) On the General tab, click the Normal Startup option, and then click ok.
d) When you are prompted to restart the computer, click Restart.
Method 4: Run Online Scan (Microsoft Safety Scanner).
A fast way to check for viruses is to use an online scanner, such as the Microsoft Safety Scanner. The scanner is a free online service that helps you identify and remove viruses,
clean up your hard disk, and generally improve your computer's performance.