New answers tagged safari-extensions
In Firefox you can do that. I have not found a way in Safari, so one needs a external app (3d party). Here is one you might like: http://www.macupdate.com/app/mac/31018/safari-cookies
Is the login keychain locked or otherwise inaccessible? Apple now stores the list of installed Safari extensions in that keychain. See the link below for more details: Deploying & Installing Safari Extensions on Safari 6.1+ & 7.2+
A Google search for "Safari 8.0.1" reveals that Apple wants developers to focus on "extension compatibility", meaning they probably screwed around with the way extensions are handled and ended up making this bug happen. I'd say finding a way to downgrade is the way to go.
try running disk utility and repairing permissions on that drive.
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