What version is the claiming you have?

https://support.mozilla.org/en-US/kb/websites-say-firefox-outdated-or-incompatible

Websites say that Firefox is outdated or incompatible even though it's the latest version https://support.mozilla.org/en-US/kb/websites-say-firefox-outdated-or-incompatible

Try disabling NoScript - it may be blocking a script that the website uses to identify the browser being used.

Or try the Firefox SafeMode. See this support article:>> Firefox Safe Mode

the-edmeister said

Try disabling NoScript - it may be blocking a script that the website uses to identify the browser being used. Or try the Firefox SafeMode. See this support article:>> Firefox Safe Mode

thanks tons, the ed-meister, that did the job!! appreciate it!!