We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

Firefox won't load, got error message

  • 1 reply
  • 1 has this problem
  • 8 views
  • Last reply by FredMcD

more options

My neighbor is having a problem with Firefox that has just appeared (see attached jpeg). When trying to load Firefox an error message appears basically saying "the application has failed to start because it's side-by-side configuration is incorrect" . Whatever that means. It tells you to do a trace program from the command prompt but that didn't result in anything.

At the same time we are noticing that the desktop short cut says " Firefox -Copy-Copy-Copy-Copy -Copy" May not be related.

Any one seen this before? What do we do next?

Thank you

Ron

My neighbor is having a problem with Firefox that has just appeared (see attached jpeg). When trying to load Firefox an error message appears basically saying "the application has failed to start because it's side-by-side configuration is incorrect" . Whatever that means. It tells you to do a trace program from the command prompt but that didn't result in anything. At the same time we are noticing that the desktop short cut says " Firefox -Copy-Copy-Copy-Copy -Copy" May not be related. Any one seen this before? What do we do next? Thank you Ron
Attached screenshots

All Replies (1)

more options

Open the properties of the shortcut. The Target should read something like this: Note the quotes "C:\Program Files (x86)\Mozilla Firefox\firefox.exe"