Thunderbird is Slow - Comments Page 1

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Posted by:

J Dalton
26 Aug 2005

Had the same problem after downloading Java update. Disabled update & solved problem. 3 weeks later removed Java update.

Posted by:

Jeff G.
27 Aug 2005

Close TB, locate the file xul.mfl in your TB profile folder, delete it. It will recreate itself when TB starts again and doing this is harmless - it is a cache of sorts and can get bunged. May be the source of your problem if the java thig didn't work - don't know what java has to do with TB

Posted by:

Mark O'Neill
07 Sep 2005

I had this problem. I think Thunderbird is just simply a bad program in dire need of an overhaul. I uninstalled it and went back to Outlook.

Posted by:

26 Oct 2005

I can confirm this issue as well. I have had it for a while.

It takes about 2 minutes to load my inbox file. I would like to go back to outlook but it looks like it will be a long process and I am in the middle of doing an assignment (using email :/)

Posted by:

16 Nov 2005

Had a slowdown too and found that Compacting database speeds thing up considerably

Posted by:

01 Dec 2005

I found that the theme CrosOver 2.0.2 killed Tbird's performance. Why? I dont know. Tbird would be choppy and lag doing the simplest of things like switching to a different folder. The solution is to use another theme. I went back to the default theme and all was well again. Maybe it's just my system but, fact is not all add-on's work well in all situations. Try eliminating the add-on stuff before hacking files.

Posted by:

04 Dec 2005

I found a solution:

This worked just fine for me.

Posted by:

02 Sep 2007

Had the same problem about slow downloads and even slower uploads. I disabled my Panda antivirus and it solved my problem. It worked great in the past but it reached a point where it would interrogate every letter typed. I uninstalled Panda and I installed the free AVG antivirus and it works fine. Hope this helps.

Posted by:

26 Sep 2007

I tried to compact, its working fine

Posted by:

15 Nov 2007

Thanks Jason!! Disabling the TB talkback feature in add-ons solved my problem. I am no longer suffering from slow startups, slow opening emails, ghost windows after sending emails, etc. Seems my problem has been TB's very own talkback feature for reporting bugs was causing the hangs.

Posted by:

27 Dec 2007

when I opens thunerbird at first(after booting into windows)it s getting hang also displaying a message "downloading messages .......please wait"in thunder bird status bar.

When I restarts the thunderbird, it works fine.This problem happening every day. I deleted inbox.msf files, but problem is still there.

Plz tell me the soln for this

Also I have created filters.Some mails which have to go on filtered folders its coming in Inbox also(duplicating).I checked the filter settings(ie,I put 'move to ' insted of 'copy to folder'option.)
plz help me sort out this problems

thank you

Posted by:

26 Feb 2008

There's a simple solution:

Open Thunderbird

Make a new folder

Copy all inbox msgs to the new folder

close thunderbird

Open explorer

Delete both inbox file in the appropriate folder

restart thunderbird

Copy the msgs back to the inbox


Posted by:

Mike Golvach
27 Aug 2008

Hey there,

I had this problem too, and it was making me nuts since none of the convential fixes would help. No matter what I did, when I started up TBird, it would take approximately 790Mb of Memory and spike the cpu at 50% (On a 4GB RAM 2.0GHz dual core system) and then come up after 5 minutes or so.

The solution I found was somewhat simplistic. Once I found it, and took action, my performance went right back to normal. Doing a scan of my TBird directories, I found that my mimeTypes.rdf was almost exactly the same size of the memory used at startup (790Mb). I made sure that the default mimeTypes.rdf existed and deleted the humungous one. And that was that; everything was set :)

Hope this helps someone out who finds themselves in the same boat!

Posted by:

28 Oct 2008

if your thunderbird start and then very long time thinking and after that you have for example empty inbox. this means that some mails in your inbox broken and theris only one solution in this case that i know and that is exactly perfectly work.

you need find file that correspond to your inbox and remove all string

X-Mozilla-Status: xxxx

(xxxx - number)

inside this file

this can be done for example with this script

#perl -pi -e 's/(.*)X-Mozilla-Status:(.*)/X/' Inbox

Posted by:

23 Dec 2008

Hi and thanks alot for your help. I can recommend the solution found by Mike Golvach, cause it's the only one working on that slow starting problem. I have tried all of the posted ideas which didn't help but wasted my time, unless one. Thank you Mike for finding that solution. Clever done!

Posted by:

31 Dec 2008

Mike Golvach's solution worked for me as well. I wonder why that file got so big?

Posted by:

22 May 2010

I don't know if there is a solution. Thunderbird is simply slow as hell. All the time. Just maximizing the Thunderbird window on my machine takes a ridiculous amount of time. I'm not sure the programmers know how to optimize anything for speed.

Posted by:

22 Jun 2010

My TB is also performing very slow, it was working fine but now a days it went dead :(
When i delete mail it takes very long time to delete and return to active mode.
The main problem is when I search for my mails by typing search text in search box TB went to sleep and return after couple of minutes

I have 2 file named as inbox.msf and inbox-1.msf i tried to delete them (after closing my TB) but only inbox-1.msf was able to delete and for the other one windows gives a message that this file is being used by another program.

do any one has the solution?

Posted by:

02 Jul 2010

My TB was not so slow but it took a few seconds to load, I just found how to make it load instantly.
Tools --> Options --> Advanced --> General --> Enable Global Search and Indexer (disable this box)

After disabling that, it loads in about 0.5s, that's what I wanted.

Posted by:

31 Jul 2010

I've done what LoreaTec suggested and it seems better - but it's early days ;)

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