utube tries to open Opera when launched from Firefox
Win7 ultimate. Opera has been started but now closed. Firefox with tight security settings, modified hosts file and DNS is Adguard. Duckduckgo search click on utube link. Zone Alarm alerts that Firefox is trying to run Opera.exe. Click Deny with the Always setting and another identical warning pops up.
Ghostery, F*ck YouTube, Privacy Badger, uBlock Origin, AdBlock, KeeForm, Popup Blocker Ultimate
- User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0
Try disabling your F--- Youtube extension and see whether that helps.
You can view, disable, and often remove unwanted or unknown extensions on the Add-ons page. Either:
- Ctrl+Shift+a (Mac: Command+Shift+a)
- "3-bar" menu button (or Tools menu) > Add-ons
- type or paste about:addons in the address bar and press Enter/Return
In the left column of the Add-ons page, click Extensions.
Then scan down the right side to find the extension, click its menu button (•••) and choose Disable. Then reload the YouTube page and try again.