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Thunderbird Portable

Thunderbird 38.5 Auto Updated?

Submitted by fefrie on December 9, 2018 - 3:37am

I run a 38.5ver portable app version of Thunderbird.

I've got it customized with a couple of addons, and use it occasionally on multiple computers in an IMAP configuration on all computers.

Works flawlessly.

Today, it seem like it 'updated' something, but when I looked to the changelog for updates, for 38.5 the updates were from 2015. 3 things, two of which was a security fix, and some sort of 256 something compatibility with microsoft.

I've got 'check for updates' turned off. So what happened today?

[Bug] Thunderbird Lightning file addonStartup.json.lz4 paths not modified

Submitted by meowme on October 30, 2018 - 4:09am

Tunderbird/Lightning Portable
There is a bug in the PortableApps.(sorry for bad english...)
The full path to the Calendar-App is stored in "addonStartup.json.lz4" File within the driveletter.
This file will not be changned by the launcher.
So you move from one Computer to the next and the driverletter changes Thunderbird-portable
would not find the App. So there is no Calendar etc. I have try to fix it but now luck (dont know where I can
put in the "search and change" for this file.

Upgrade from 38.5

Submitted by upchuck on October 24, 2018 - 2:08am

I need to update my Thunderbird as described in the title. I tried upgrading directly to 60.2.1 but the upgrade did not go over the existing program. Instead, it wanted me to 'create a new account.'

How can I get from 38.5 to 60.2 and keep my existing settings, emails, etc?

PortableApps on Linux - failes on start

Submitted by rtt on September 17, 2018 - 11:15am

Surprised no one else has this problem after four months. Thunderbird portable failed on start for Mint 17. Appears latest wine does not include full 32 bit support. Thunderbird, even in safe mode, fails as dump shows;
Unhandled exception: page fault on read access to 0x00000010 in 32-bit code (0x0047a239).
Register dump:
CS:0023 SS:002b DS:002b ES:002b FS:0063 GS:006b
EIP:0047a239 ESP:0033fa38 EBP:0033fa48 EFLAGS:00010202( R- -- I - - - )
EAX:00000011 EBX:038a2c7c ECX:00000010 EDX:00000010
ESI:00000014 EDI:001174a8

ThunderbirdPortable and Lightning Calendar on Win7/10

Submitted by Canned135 on August 24, 2018 - 6:22pm

I have been having problems with portability of Thunderbird 60.0 (Portable edition from 8/6/2018) installed on a USB2.0 stick between Windows 7 and Windows 10 and Lightning Calendar not always available.

Initial search for this problem led me to 'Calendar update Issues with Thunderbird' at

user name and password combination not accepted with new install

Submitted by Exonoesis on August 16, 2018 - 3:46pm

After doing a new install of Thunderbird my user name and password combination is not accepted for three different e-mail accounts. I have checked and rechecked the spelling and I know it is not the servers because the install of Thunderbird on the SSD in the computer works fine with the same accounts.

Is it Okay to 'Install' PortApps Thunderbird v60.0 Over the Top of PortApps Thunderbird v52.x?

Submitted by Abraxian on August 14, 2018 - 3:30pm

Just wondering. I did install v60.0 over the top of v52.9.1 and everything seems fine ('cept FireTray addon doesn't work anymore, bummer). But I'm thinking that as v60.0 is a major revision if it's better to start right from scratch again. (Want to avoid that if I can as lots of tweaks to replicate again if I have to start from scratch.)

Add ons

Submitted by MarionPB on August 13, 2018 - 11:24am

I am very pleased with Thunderbird portable. I have several hundred duplicate messages after a major email migration. I'm trying to download and use the "remove duplicate messages" add on. Does that add on work with portable? If so, how do I install it? Thank you - Marion