1 Answers
In order to remove inbox helper, I would suggest you try to reset browser Settings and if that does not help try to uninstall and the reinstall your web-browser.
Another way to remove inbox helper is to scan your computer for PUPs. Use Zemana Anti-malware, Malwarebytes or HitmanPro.
If your browser is affected by My inbox helper, then try to follow the steps below:
http://www.myantispyware.com/2018/08/16/how-to-remove-my-inbox-helper-chrome-firefox-ie-edge/