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can i re-install firefox to fix whatever is wronb

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firefox was having trouble loading ... mostly facebook games. now wont start at all. can i just run the install program again

firefox was having trouble loading ... mostly facebook games. now wont start at all. can i just run the install program again

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Unfortunately those Facebook games appear to be a major problem, you will probably have to reinstall 3.6.17 instead, see

see topic Running both Fx3 and Fx4 or Returning to Fx3 (#backto3pt6)