After downloading 24.5.0 I get frequent "stalling" and hanging of Thunderbird, on two separate computers with McAfee
While reading mail that has already downloaded, Thunderbird seems to stall when selecting a new message, and I get a message from Windows at the top of the screen telling me that Thunderbird is not responding. If I wait a couple minutes this clears up and I can click on the next message. I can work normally for a while, then it will hang a few times, then it clears up for a while. Windows 7, 64-bit. Happens on two different computers with different apps running, different anti-virus packages, probably not all the settings are identical.
First, thanks for offering to help.
Anti-Virus Related Issues
1. McAfee AntiVirus Plus doesn't create an extension called McAfee Anti-Spam Thunderbird Extension in Tools | Addons | Extensions as noted in the web article. Nothing there. It does create two other plugins in Tools | Addons | Plugins. One is called McAfee Security Center and the other is called McAfee Virtual Technician. Disabling either had no impact upon mail performance. Yes, I closed the application and restarted it after turning the plugins off to be sure that they weren't still running.
2. Disabling attachment scanning didn't seem to have any impact, but I may have to wait until I get some significant attachments to tell for sure on that.
Routine Sysadmin Chores:
1. Yes, using POP. One computer does not remove mail from the server, the other does, daily. There is no significant build up of old mail on the server. Also, nothing changed in this regard from before installing 24.5.0.
2. I do archive mail, but mostly I clean out the folders. There is not a big accumulation of email in folders, particularly on the machine running McAfee. Regardless, this hasn't changed since I installed 24.5.0.
3. I empty junk and spam folders several times a day on whichever computer is being used, and compact regularly. There is no build up in those folders.
On the bright side, both systems seem to be doing better with mail this morning, before doing anything at all to try and fix the problem. I am going to let this sit for a few days and see how it performs.
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