Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Error message

  • 1 cavab
  • 1 has this problem
  • 3 views
  • Last reply by TyDraniu

more options

when I installed firefox I get this message Cannot find VCRUNTIME140_1.dll. How can I correct this error?

when I installed firefox I get this message Cannot find VCRUNTIME140_1.dll. How can I correct this error?

Chosen solution

  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, 2019, and 2022 download the following executable file: vc_redist.x64.exe
  3. Install this file
  4. Restart the computer and run Firefox
Read this answer in context 👍 0

All Replies (1)

more options

Seçilmiş Həll

  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, 2019, and 2022 download the following executable file: vc_redist.x64.exe
  3. Install this file
  4. Restart the computer and run Firefox