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|User since||September 17, 2011|
|Number of add-ons developed||0 add-ons|
|Average rating of developer's add-ons||Not yet rated|
I did the instructions of justtryingtohelp, Ramon & 101000. I used 7-zip to extract the files, made the changes then re-zipped them.
I renamed the resultant file from .7z to .xpi as greysts wrote on 29.3.11.
When I tried to add it by FF I got the answer: "You can not install this extension because it looks damaged".
I did also with WinRar and I got the same anwer.
I would really appreciate advice & solution.