Open Chrome
Click the three dots in the top-right corner
Select Settings
Click Privacy and security
Click Site settings
Click Pop-ups and redirects
Select Don’t allow sites to send pop-ups or use redirects
Go back to Site settings
Click Ads
Select Blocked on sites that show intrusive or misleading ads
Go back to Site settings
Click Notifications
Remove or block suspicious websites
Go back to Settings
Click Reset settings
Select Restore settings to their original defaults
Remove suspicious extensions
Click the three dots
Select Extensions
Delete unknown or unwanted extensions
Run Chrome Cleanup Tool
Update Chrome to the latest version
Clear browsing data
Restart Chrome