I have thunderbird 24.5.0; I try to install lightning 2.6.5. Fails with "cannot edit the necessary file. OS is win 8.1

Information about the supported spoke on the decompression of the xpi files. All I want to do is to install an add-on. I tried "extra everything" and it failed. I need the very explicit instructions on installing this add-on, please. This shit should not be difficult...

This sounds like a permissions Windows 8.1 user problem. I have installed Lightning in TB on Windows XP, 7 and various flavors of Linux with no problems at all. I do not use Windows 8.

Has he asked permission to make changes to the computer? Have you tried to do this install with administrator privileges? When I fall on installation issues, and it is any program, not just TB, it's because I try it on the computer at work where the IT Department controls what simple end users are allowed to do.

Tags: Thunderbird

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