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

I had FF 4.0, I want to download Selenium, but it fails saying that it is not compatable to FF4.0

more options

When I try to download Selenium IDE, it says it is Not Compatible with FF 4.0, Now I cannot go to FF 3.6, as it is not supported,

How can I install Selenium IDE ?

When I try to download Selenium IDE, it says it is Not Compatible with FF 4.0, Now I cannot go to FF 3.6, as it is not supported, How can I install Selenium IDE ?

All Replies (1)

more options

Where are you trying to download it from?
See this AMO search.