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Good day. My Thunderbird updated to version 91.2.0 Since then, when I press the Delete key, the program does not respond to the mouse wheel. When a message is displayed, I use the mouse wheel to move the message up/down. Now, however, there are a few moments where the program does not respond to the wheel. I have to wait a bit or click on the program window to continue.

I created a bug report: Bug 1735988 Opened 6 days ago https://bugzilla.mozilla.org/show_bug.cgi?id=1735988 When press 'Delete' while reading message, Thunderbird window loses focus

(In reply to WaltS48 [:walts48] from comment #7) >> I can not reproduce and think you should look for your issue, or post it at [Thunderbird Support](https://support.mozilla.org/en-US/products/thunderbird).

Hi all,

Seeing a few files getting flagged by AV from within the \appdata\...\cache2\entries\ location, trouble is cannot investigate further / quarantine / whitelist, because of the nature of the cached files, rendered as a series of letters/numbers, without extension... they also appear to be auto-deleted before it's possible for AV to interrogate further.

Presuming chances are these are false-positive flags, but would be good to be able to verify this one way or another.

Similar files seem to exist for Firefox users generally, but vast majority are not currently flagged.

Any thoughts/ideas/similar experiences appreciated...