Created attachment 8931213 [details] UserData.txt User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:58.0) Gecko/20100101 Firefox/58.0 Build ID: 20171120142222 Steps to reproduce: FireFox is not keeping Tools > Options > Privacy & Securty > Tracking Protection > Exceptions between closing and opening of the browser. Actual results: user options are not being kept between runs ..... Expected results: the options should have been kept.
Please troubleshoot with Safe Mode: https://support.mozilla.org/kb/troubleshoot-firefox-issues-using-safe-mode
Component: Untriaged → Tracking Protection
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