How do I clear the Macromedia Flash Cache on Mac OS X?

Best Answer

Apparently, any site that uses Flash media has the ability to permanently write a file to your Mac. To clear it out, use Terminal:

cd /Users//Library/Preferences/Macromedia//Flash\ Player/
rm -R macromedia.com

To confirm the files are removed:
ls -la

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Updated: Nov 21 2017