Thunderbird won't start anymore.

Solved
Pingouino9574 Posted messages 11 Registration date   Status Member Last intervention   -  
Pingouino9574 Posted messages 11 Registration date   Status Member Last intervention   -

Hello,

Since yesterday, when I try to open my Thunderbird email, the following message appears:

"C:\Program Files (x86)\Mozilla Thunderbird\xu.dll is not designed to run on Windows or it contains an error. Please reinstall the program using the original installation media, or contact your system administrator or software vendor for support. Error Status: 0xc000007b."

Until now, everything was working perfectly.

I should clarify that this is the email I use for work and all my contacts are in it. If I need to reinstall, I would like to avoid losing my messages, but I don't know how to do that.

Is there a kind soul to help me, please?


3 answers

  1. brucine Posted messages 24922 Registration date   Status Member Last intervention   4 180
     

    Hello,

    Corruption may be Windows-related.

    Run the following command in an administrator command prompt: sfc /scannow.

    If it is specific to Thunderbird, start by securely backing up the profile located at

    Users\Me\AppData\Roaming\Thunderbird.

    Note that user folders are hidden by default.

    https://www.pcastuces.com/pratique/astuces/4563.htm

    Reinstall Thunderbird on itself, then, if the operation created a new blank profile, replace the files of this profile with those saved (received and sent emails, contacts...).

    1
  2. dubcek Posted messages 18627 Registration date   Status Contributor Last intervention   5 660
     

    hello

    what antivirus?

    try to disable it

     

    0
  3. Pingouino9574 Posted messages 11 Registration date   Status Member Last intervention  
     

    Thank you very much,

    The reinstallation of Thunderbird has been completed and I have recovered my user profile.

    Thanks again

    0