Every time I use the avast browser I cant login to my Gmail. It says cookie mismatch and I cant login. Why wont it let me in? I see others having similar problems to this too.
Clean out the browsing data using the following directions
https://screencast-o-matic.com/screenshots/u/Lh/1532638640188-91919.png
You can also use the shortcut key combo of Ctrl+Shift+Del