Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

Cerca nel supporto

Attenzione alle mail truffa. Mozilla non chiederà mai di chiamare o mandare messaggi a un numero di telefono o di inviare dati personali. Segnalare qualsiasi attività sospetta utilizzando l'opzione “Segnala abuso”.

Ulteriori informazioni

Questa discussione è archiviata. Inserire una nuova richiesta se occorre aiuto.

Firefox 87 suddenly won't start. Error Msg: The code execution cannot proceed because VCRUNTIME140_1.dll was not found.

  • 3 risposte
  • 1 ha questo problema
  • 12 visualizzazioni
  • Ultima risposta di RacerRon

more options

How do I fix this? Firefox won't start (it did a few days ago).

Version 87 running on Windows 10.

Error Msg: The code execution cannot proceed because VCRUNTIME140_1.dll was not found.

There is a file: VCRUNTIME140.dll in the C:\Program Files\Mozilla Firefox folder.

I reinstalled Firefox but that didn't help.

How do I fix this? Firefox won't start (it did a few days ago). Version 87 running on Windows 10. Error Msg: The code execution cannot proceed because VCRUNTIME140_1.dll was not found. There is a file: VCRUNTIME140.dll in the C:\Program Files\Mozilla Firefox folder. I reinstalled Firefox but that didn't help.

Soluzione scelta

  1. Enter this link: https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads
  2. From the section Visual Studio 2015, 2017 and 2019 download the following executable file: vc_redist.x64.exe
  3. Install this file
  4. Restart the computer and run Firefox
Leggere questa risposta nel contesto 👍 2

Tutte le risposte (3)

more options
more options

Soluzione scelta

  1. Enter this link: https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads
  2. From the section Visual Studio 2015, 2017 and 2019 download the following executable file: vc_redist.x64.exe
  3. Install this file
  4. Restart the computer and run Firefox
more options

Hi TyDraniu,

Your help worked like a charm. It's great to see experienced folks like you spend time and effort to help those of us who get in a jam and don't know what to do. I'm new to Windows 10 and working on setting up my new laptop like the Win 7 machine I've been using for 9 years.

After some thought, I'm guessing the VCRUNTIME140_1.dll file that was missing got removed when I uninstalled Windows 365, so I can install an older version of Word & Excel that I have.

In any case, I appreciate that you came to the rescue so fast. Very happy!

Thank you!