Error moving 2016 outlook .pst files to Thunderbird ver: 62.2.2

I’m using thunderbird ver: 62.2.2
When I try to export outlook .pst files to thunderbird I get an error
$MailStoreDebugLog/2.0
Product Name: MailStore Home
Product Version: 12.0.3.14426
App Build Date: 2019-06-24
App Copyright: Copyright © 2005-2019 MailStore Software GmbH
App Description:
App Dir: C:\Program Files (x86)\MailStore\MailStore Home
App File Name: C:\Program Files (x86)\MailStore\MailStore Home\MailStoreHome.exe
App Title: MailStore
Operating System: Windows 10 Enterprise x64
OS Bitness: x64
Process Bitness: x86
Is Mono: False
Is Windows: True
.NET 4 Release Key: 528040
.NET CLR Version: 4.0.30319.42000
Proc Culture: en-US
Proc UI Culture: en-US
Machine Name: ASUS
User Domain Name: ASUS
User Name: J***
License ID: fc3b56d5-7ff8-4137-889a-9575390c9414
15:50:45.580 [15] INFO: Worker started.
15:50:45.581 [15] INFO: Notify:SetTitle ‘Mozilla Thunderbird default’
15:50:45.582 [15] INFO: Notify:WriteLine ‘Initializing…’
15:50:45.583 [15] INFO: Initializing…
15:50:45.584 [15] INFO: Determining Thunderbird profiles directory
15:50:45.584 [15] INFO: Thunderbird profiles directory is C:\Users\J***\AppData\Roaming\Thunderbird
15:50:45.584 [15] INFO: Reading profiles.ini
15:50:45.584 [15] INFO: Found profile default. Directory: C:\Users\John\AppData\Roaming\Thunderbird\Profiles\cwx676oq.default
15:50:45.584 [15] INFO: Found profile default-release. Directory: C:\Users\J***\AppData\Roaming\Thunderbird\Profiles\qihmbrnm.default-release
15:50:45.587 [15] INFO: Reading mail folders in profile directory C:\Users\J***\AppData\Roaming\Thunderbird\Profiles\cwx676oq.default
15:50:45.587 [15] ERROR: prefs.js can’t be found. Full path: C:\Users\J***\AppData\Roaming\Thunderbird\Profiles\cwx676oq.default\prefs.js
15:50:45.587 [15] EXCEPTION: Worker has thrown an exception.
System.NullReferenceException: Object reference not set to an instance of an object.
at #UAb.#YNb.#NAb()
at #MNb.#bSb.#zAb(Boolean #y3f)
at #Xzb.#DAb.#BAb()
at #Xzb.#sNb.#pz()
at #gib.#fib.#4hb()
The file name prefs.js is wrong the file name is:[ times.json ] [ C:\Users\J***\AppData\Roaming\Thunderbird\Profiles\cwx676oq.default\prefs.js ]
{
“created”: 1572994598028,
“firstUse”: null
}

Hello @exlogger,

I did some research on the Thunderbird profile naming “default-release”, as when freshly installed it used to create a first initial profile “default”, now it creates “default-release”.
When updating version 60 to anything below 68.2.2, there were issues updating the existing profile and a new one was created instead. This probably lead to the situation that you have both “default” and “default-release” profiles.
(:globe_with_meridians:Thunderbird 68.2.2 release notes (see “fixes”)

So it seems an update created an “default-release” profile for you with your previous settings.
So far so good.
But the old profile “default” still exists in the background, but seems to be defective/invalid.
Since it is never used, Thunderbird has no problems with it, but MailStore Home is now detecting profiles and stumbling over it.

I cannot support Thunderbird officially and any advice comes wothout warranty.

You canot check existing profiles that easily in the user interface of Thunderbird,
however there is a quick shortcut to access the hidden profiles manager:

Press the key combination Win + R,
then type in
thunderbird.exe -profilemanager

Here you can see your profiles, modify them or even delete those not needed.
Cleaning up might help to get rid of defective profiles that are not used anymore anyway.

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