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Windows 7: Sudden and weird conflict between Thunderbird and Avast!

13 May 2014   #1
450125

Win7 Professional 64
 
 
Sudden and weird conflict between Thunderbird and Avast!

In a perfect world I'd be posting this to a Mozilla or Avast! forum, but lots of stuff I've seen there has no help, so I'm turning to this more reliable (for me, usually) forum.

I've used Thunderbird email client (currently 24.5.0), POP settings, with my gmail for 3+ years, to download a local copy of my email. No problems. Ever.

Tonight I did my nightly download, and about 20 messages into the 55 or so I had, it stopped and said it was done.

Forcing a new "get mail" would bring up the message "downloading message 1 of 55" briefly, but then Thunderbird would say "no messages to download."

So mind you, it worked fine for 3+ years, and it worked fine for part of my nightly download, and then stopped.

I tried quitting Thunderbird and restarting. Tried moving messages from my inbox folder to newly-created archive local folders and compacting my inbox - in fact, tried this to the point where I had an empty inbox. Tried using Thunderbird's "recent" feature to download my last 30 days of messages, then going back to normal message download.

Nothing worked, including restarting my computer and launching Thunderbird again.

Finally, my sleuthing turned up a suggestion that Avast! free antivirus software (currently 2014.9.0.2018 for me) might conflict with my Thunderbird. On a whim, I disabled my Avast! for ten minutes, clicked "get mail" - and boom, everything worked perfectly!

And when Avast! automatically re-enabled ten minutes later, I checked mail with Thunderbird, and then it worked perfectly, again.

So although I am glad it's working again, for now - what the heck just happened? Why would I get a partial download tonight, but not the rest of the download, trying many many things, and then it worked again when I temporarily disabled Avast!? And has anyone else encountered a problem of this type?


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14 May 2014   #2
Callender

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 
Avast and Thunderbird

Yes I had a problem with Avast and Thunderbird when they released the 2014 version. Got it working - there's a long thread here:

http://195.74.76.34/index.php?topic=137836.60

I've stopped using Avast and now use an alternative.
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 Sudden and weird conflict between Thunderbird and Avast!




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