Try the following steps to remove My Computer Hub:
1. open the Windows Control Panel and uninstall all suspicious and unknown programs
2. scan your computer with Zemana Antimalware
3. reset browser settings (optional)
Did this fix your problem, then please let us know.
If you’re seeing unwanted pop-ups or ads in your web-browser, you might have an adware installed on your computer. Use the following guide to stop pop-up ads and remove malicious software. Or ask for help here.