Enable your browser’s built-in pop-up blocker
Update your browser to the latest version
Remove suspicious browser extensions
Clear your browser cache and cookies
Reset browser settings to default
Run a trusted antivirus or anti-malware scan
Uninstall suspicious or unwanted apps
Check site permissions and block notifications from unknown websites
Use an ad blocker extension from a trusted source
Avoid clicking ads, pop-ups, and misleading download buttons
Keep your operating system updated
Disable pop-up permissions in browser settings
Review and remove unknown startup programs
Scan for adware with a reputable security tool
Reinstall the browser if the problem continues