This is disabled as an extension but how do I delete it?
Go to Solution.
Please see this link:
How To Remove The Toparcade Hits Virus – Toparcadehits Malware Removal Instructions (Hijacker)
You should uninstall it from your computer completely and then run some antivirus / malware scans:
Make sure that you update each program to get the latest version of their databases before doing a scan.
You can also do a check for a rootkit infection with TDSSKiller.
Anti-rootkit utility TDSSKiller:
Many thanks for the fast response and effective solution.