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i can not upgrade to firefox 4.0: my computer tells me it must reboot to complete last upgrade and when it reboots it tells me it needs to reboot again. on and on in a vicious neverending cycle. how do i fix this?????

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i can not upgrade to Firefox 4.0: my computer tells me it must reboot to complete last upgrade and when it reboots it tells me it needs to reboot again. on and on in a vicious never-ending cycle

i can not upgrade to Firefox 4.0: my computer tells me it must reboot to complete last upgrade and when it reboots it tells me it needs to reboot again. on and on in a vicious never-ending cycle

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Try to run the Firefox program once as Administrator (right-click: Run as Administrator).

If that doesn't solve the problem then remove the Firefox program folder to do a clean reinstall.

  • Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
  • Do not remove personal data if you uninstall the current version.
  • It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.

Your bookmarks and other profile data are stored elsewhere (not in the Firefox program folder) and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.