Aha. It looks like PageRank 0.8 was at least partly responsible; uninstalling it seems to have resolved the problem. (I'm not sure whether it was supposed to have enough privileges to do that; if it was, you're welcome to close the bug.)
resolving wfm per comment 1. A bad extension may break things. I think you should contact extension's author on the issue.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 14 years ago
Resolution: --- → WORKSFORME
Component: History → Bookmarks & History
QA Contact: mozilla → bookmarks
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