Thunderbird Portable Live Regression
The actual Thunderbird Portable (126.96.36.199) does not work properly in Live mode (i.e. running from an read only medium) as described in https://portableapps.com/support/thunderbird_portable#cd
But looks like Thunderbird Portable is just creating a new profile structure at the temp folder without fist coping the profile from its sub folders
I read this forum post https://portableapps.com/node/6296 about adding SettingsDirectory=Data\settings at the ThunderbirdPortable.ini. I don't know if this still applies but does not seems to affect what i am describing
I tested several versions from SourceForge archive http://sourceforge.net/projects/portableapps/files/Mozilla%20Thunderbird... one by one going backwards and I think the last one to work is 2.0.12.
Steps to reproduce:
1- Install an Thunderbird Portable version
2- Create a bogus account,
3- Close Thunderbird Portable
4- Copy the ThunderbirdPortable.ini to the Thunderbird Portable folder
5- Start Thunderbird Portable
If it shows your bogus account the Live Mode worked.
The post-188.8.131.52 versions shows the account create wizard and if you cancel an empty profile