I tried to load screenshots, but it just kept showing the spinning circle icon and would not load the images.

See also: *http://kb.mozillazine.org/Websites_report_cookies_are_disabled Can you post a link to a publicly accessible page (i.e. no authentication or signing on required)? You can also check if DOM Storage is enabled. *http://kb.mozillazine.org/dom.storage.enabled You can check to make sure that you do not run Firefox in permanent Private Browsing mode (Never remember history). *https://support.mozilla.org/kb/Private+Browsing Start Firefox in <u>[[Safe Mode|Safe Mode]]</u> to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem. *Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance *Do NOT click the Reset button on the Safe Mode start window *https://support.mozilla.org/kb/Safe+Mode *https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes ---- See also: *https://support.mozilla.org/kb/how-do-i-create-screenshot-my-problem *Use a compressed image type like PNG or JPG to save the screenshot *Make sure that you do not exceed the maximum size of 1 MB You can also try to crop images and only keep the relevant part(s) and possibly save them with a higher compression value.