Update: Dropbox has unbanned the links and all versions of JSB should now be able to update successfully.
To all users that downloaded JS Blocker before June 30th:
I've been Dropbox to host JS Blocker and to automatically update it in Safari. Unfortunately they banned my links and JS Blocker can no longer be downloaded from Dropbox. This means that you will no longer be able to receive any updates. To remedy this, re-download JS Blocker from http://bit.ly/JSB-5 and install it over your current copy. You won't lose any rules or settings and will once again be able to receive future updates.
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