browsed and some say try uncheck inject script thing, i will try this after restart so it is so annoying wasted my time much. it was ok when i was using other security software. firefox hanging on loading state forever even basic websites. checked firefox inspect in console tab there are full of error messeges like this Firefox can’t establish a connection to the server at wss://ff.kis.v2.scr.kaspersky-labs.com/7D8B79A2-8974-4D7B-A76A-F4F29624C06BvHR8Fxb3_3LIlmkjCVcVPN2y_Pq_a5N_2WieRNkugg011jEou4CtVHgFo-Tl_lfYUYc5epnb2-7azfVzzJpzOQ/websocket?url=https%3A%2F%2Fcommunity.kaspersky.com%2Ftopic%2Fnew%3Ffid%3D12&nocache=1620874663618. *** os- win browser-firefox