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

When I hover over the Firefox icon on the taskbar, it only shows a listing of existing windows instead of showing the window thumbnails. How do I get the thumbnails back?

  • 1 reply
  • 3 have this problem
  • 1 view
  • Last reply by cor-el

more options

When I hover over the Firefox Icon on the Windows 7 taskbar, it shows a list of open windows. It use to show a thumbnail (preview) of open windows. How do I get the thumbnail option back?

When I hover over the Firefox Icon on the Windows 7 taskbar, it shows a list of open windows. It use to show a thumbnail (preview) of open windows. How do I get the thumbnail option back?

All Replies (1)

more options

See:

  • Firefox/Tools > Options > Tabs > "Show tab previews in the Windows taskbar"