As it stands, Google does a pretty good job of keeping pop-up windows under control in its Chrome browser.
Enable Google Chrome's pop-up blocking feature1. Click on Chrome's menu icon in the upper-right corner of the browser, then select "Settings" from the list below
2. Type "pop" into the Search settings field.3. Click "Site Settings."4. Under Popups it should say Blocked. (If it says Allowed, click Pop-ups and redirects.)5. Turn off the switch next to Allowed.
Check your approved list of sites1. Follow steps 1 through 4 above.2. Scroll down to Allow and click on the three dots icon.
3. Select Remove.4. Repeat steps 1 through 3 as necessary.
Scan for malware
1. Google for an antivirus tool like Malwarebytes Anti-Malware because pop-ups may not be from websites you visit. They may be from annoying applications on your computer. Install anti-virus software.
2. Run a full scan of your system – preferably in Safe Mode, if you can. If you don’t find anything, try another app or two just to be sure. (Avast is another good option.)
Note: If you have no idea whether an installed program is “good” or not, err on the side of keeping it, lest you accidentally remove something rather critical to Windows’ healthy operation).