Thunderbird portable on a portable hard drive has been working fine for 2 months. Now it will not start up.
New: StressMyPC (Dec 10, 2025), Platform 30.1.3 (Nov 17, 2025)
1,400+ portable packages, 1.2 billion downloads
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I have the same problem!
Friday I still used it - no problems.
Saturday morning suddenly everything (Emails, accounts, addresses) was gone and Thunderbird asked me "Do you want to make a new account?".
NO, I don't!! I simply want my emails back!!! :-((((