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The Firefox uninstall wizard does not appear. Tried both the control panel uninstall as well as the manual procedure using helper.exe

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  • 1 人がこの問題に困っています
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  • 最後の返信者: cor-el

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We want to uninstall firefox because we get an XPCOM error on launching firefox or clicking on a link.

We want to uninstall firefox because we get an XPCOM error on launching firefox or clicking on a link.

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Uninstall Firefox from your computer {web link}

Download Firefox Full Installer All languages {web link}

If you need more help, there is a Microsoft utility program that can help. Fix problems that programs cannot be installed or uninstalled {web link}

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Do a clean reinstall and delete the Firefox program before (re)installing a fresh copy of the current Firefox release.

If possible uninstall your current Firefox version to cleanup the Windows registry and settings in security software.

  • Do NOT remove "personal data" when you uninstall your current Firefox version, because this will remove all profile folders and you lose personal data like bookmarks and passwords including data in profiles created by other Firefox versions.

Remove the Firefox program before installing that newly downloaded copy of the Firefox installer.

  • (32 bit Windows) "C:\Program Files\Mozilla Firefox\"
  • (64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\"

Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure that "remove personal data" is NOT selected when you uninstall Firefox.

If you keep having problems then also create a new profile.