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Just got Firefox version 17.Every add on I try to load comes back with cannot download, not compatable with version 17

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Just got Firefox version 17.Every add on I try to load comes back with cannot download, not compatable with version 17

ASUS TF300 Andriod 4.1 Firefox 17. .

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Re: Just got Firefox version 17.Every add on I try to load comes back with cannot download, not compatable with version 17

This can be caused by one of files that contain details of installed extensions becoming corrupted.

Close Firefox, go to your profile folder and delete extensions.cache, extensions.ini and extensions.rdf

Next open the extensions sub-folder within your profile folder, if there is a folder called staged-xpis delete it.

Firefox > Exit and reopen it.

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Re: Just got Firefox version 17.Every add on I try to load comes back with cannot download, not compatable with version 17

Is this about installing extensions on Firefox Mobile?

Did you spoof the user agent to get desktop pages?

If this is the case then you may have to disable this temporarily to be able to install extensions for mobile.