CCleaner 5.36.6278

Browser Cleaning
Firefox: updated Session cleaning rule to support changes in Firefox 56.0.
Chrome (& Chromium): updated Internet History cleaning rule to clean user activity data.
Opera: updated Internet History cleaning rule to clean user activity data.

Default Cleaning Rules
Windows Explorer: Most Recently Used documents and other MRU files no longer cleaned by default.
Windows Defender: Scan history no longer cleaned by default.
Microsoft Office: MRUs no longer cleaned by default.
Edge, Chrome/Chromium, Firefox, Opera, Safari, Thunderbird: Current session data no longer cleaned by default.

Emergency Updater
Added new executable: "CCUpdate.exe".
Added new Windows Scheduled Task: "CCleaner Update".