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

Unexpected event profile-after-change

  • 3 replies
  • 1 has this problem
  • 5 views
  • Last reply by EniGma

more options

Getting this error message "Unexpected event profile-after-change" after the update of 91.0.1. Also, webpages do not display correctly and get numerous other errors from the Browser console.

Getting this error message "Unexpected event profile-after-change" after the update of 91.0.1. Also, webpages do not display correctly and get numerous other errors from the Browser console.

Chosen solution

This could be a problem with High Contrast Mode on Mac.

See "New" in the release notes.

Firefox now automatically enables High Contrast Mode when "Increase Contrast" is checked on MacOS in the Accessibility settings.


Make sure you allow pages to choose their own colors.

Read this answer in context 👍 0

All Replies (3)

more options

Chosen Solution

This could be a problem with High Contrast Mode on Mac.

See "New" in the release notes.

Firefox now automatically enables High Contrast Mode when "Increase Contrast" is checked on MacOS in the Accessibility settings.


Make sure you allow pages to choose their own colors.

more options

Cool - thx. That fixed it. working great now.

more options

Hello, I've got the same error in Windows 10 and and made the same instructions but the error still show in the console