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Firefox is very slow to respond when opening and nearly always stops responding altogether even refusing to react to Task Manager "End Program@ command. The "not responding@ error message also comes up during navigation on line.

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Firefox is very slow to respond when opening and nearly always stops responding altogether, even refusing to react to the Task Manager "End Program" command. The "not responding" error message also comes up during navigation on line. Several attempt have to be made to get on line. A loss of stability seems to be endemic at the moment.

Firefox is very slow to respond when opening and nearly always stops responding altogether, even refusing to react to the Task Manager "End Program" command. The "not responding" error message also comes up during navigation on line. Several attempt have to be made to get on line. A loss of stability seems to be endemic at the moment.

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Try following the instructions here: Firefox hangs or is not responding - How to fix