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Update 3.6.12 won't install

  • 4 respostas
  • 64 have this problem
  • 1 view
  • Last reply by feckhornet

pwehren
pwehren
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Having downloaded Version 3.6.12 with no problems, I can't get it to install, receiving the following error message: Software could not be installed.Please make sure there are no other copies of Firefox running on your computer and then restart Firefox to try again . Needless to say, only one copy was running and the process goes on forever....

Having downloaded Version 3.6.12 with no problems, I can't get it to install, receiving the following error message: Software could not be installed.Please make sure there are no other copies of Firefox running on your computer and then restart Firefox to try again . Needless to say, only one copy was running and the process goes on forever....

All Replies (4)

llaurick
llaurick
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Try killing the plugin container in Windows task window. It worked for me.

pwehren
pwehren Question owner
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No problem with procedure, but didn't solve the problem. Any other ideas ? Thanks.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Run the Firefox program once as Administrator (right-click: Run as Administrator).
If that doesn't help then do a clean reinstall.
Download a fresh copy of Firefox (http://www.mozilla.com/firefox/all.html) and do a reinstall of Firefox on top of the current version.
If that still causes the same problem then do a clean reinstall and remove the Firefox program folder.

See also:

feckhornet
feckhornet
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Hi,

I also had this problem on Win7. Right click->Run as Administrator reolved it.

Thanks