Please update Silverlight:

• https://support.microsoft.com/en-us/k.../3056819

As for youtube, are both of the webgl drivers up to date?

• Upgrade your graphics drivers to use hardware acceleration and WebGL

If you toggle hardware acceleration are there any changes: about:preferences#advanced > General, under "Browsing" check and uncheck the 3rd checkbox.

Why is this happening im using chrome now

Hi wildyWizard , The quality of the video is limited to the original quality that the original video is uploaded to Youtube.

gman620,

See my answer in the questions thread that you started. https://support.mozilla.org/en-US/questions/1082649#answer-778895

Its not the drivers and silverlight chrome opens the same video on all resolutions stop blaming the users!!!!!!!!! and fix your browser!

chrome opens the same video in all resolutions its firefox and many people have the same issue anyone with brain power in firefox to fix this? or u just might hire someone from google to fix it?

Hi gman620, since you run Windows XP and this problem started for you in Firefox 40, there is another potential explanation for your issue here:

https://support.mozilla.org/questions/1082649#answer-778896

This is why it's usually best to start a new thread and let ones related to older versions of Firefox rest.