![Firefox logo](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/products/2020-04-14-08-36-13-8dda6f.png)
left upper corner transparent overlay
Transparent Overlay on tabs
Transparent Overlay on tabs
All Replies (1)
When/how does this come up?
Is this with all websites/pages, some, a few?
Start Firefox in Safe Mode {web link}
A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?