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This blog will guide you through the process on how to delete flash cookies.

Like many useful, good things on the web, browser cookies have turned out to be an avenue for identity thieves to find us and our personal information. A cookie that no one knows about and that is not controllable through our web browsers, and can be used to re-spawn traditional browser cookies—could be a useful avenue for identity thieves indeed.

Changing Flash Preferences

Removing Current Site Cookies

Turns out, Adobe has a Settings Manager on its site where you can control how Flash cookies are stored along with other things. If you right-click on a piece of Flash code in your browser you can select "Settings" and get to this special place. Or you can just click our handy link: Adobe Website Storage Settings Panel.

What you should be seeing is something like this:

Here you can see which cookies have been written to your computer along with the ability to DELETE all of them. That's something I would strongly consider. Remember, however, that there are some benefits with these cookies. If you frequent sites that use this technology (and many do) you will be deleting some of your settings with those sites and you may have to re-enter text each time you visit.

There is risk/reward with every choice you make in life...

Even if you decide to push the Delete all Sites button, you still have some work left.

Stopping New Sites from Writing Cookies

Even if you deleted the cookies that have already been written to your computer, you'll need to keep new cookies from being written as well. Luckily, Adobe has created a way to do that:

Adobe Global Storage Settings Panel

If everything goes according to plan, you should be seeing something that looks like this:

Here you can tell Flash not to store any cookies in the future. Just drag the slider over to "None" and select "Never Ask Again." That's it!

Flash Cookie Removal Tools

Here are some other tools if you want 3rd party help with managing or controlling Flash cookies:

Windows:

• Better Privacy extension for Firefox -
  https://addons.mozilla.org/en-US/firefox/addon/6623
• Ccleaner - http://www.ccleaner.com

Mac OS X:

• FlushApp - http://machacks.tv/2009/01/27/flushapp-flash-cookie-removal-tool-for-os-x/

Flash Cookie Storage Locations

You can always go to the directory where the cookies are stored and remove them manually. It's not a permanent solution - new cookies will get created in the future - but it works.

Windows:

LSO files are stored typically with a “.SOL” extension, within each user’s Application Data directory, under Macromedia\FlashPlayer\#SharedObjects.

Mac OS X:

For Web sites, ~/Library/Preferences/Macromedia/FlashPlayer. For AIR Applications, ~/Library/Preferences/[package name (ID)of your app] and ~/Library/Preferences/Macromedia/FlashPlayer/macromedia.com/Support/flashplayer/sys

GNU-Linux:

LSO files are stored in ~/.macromedia.

Wrap Up

Now you know about the mysterious and curiously difficult to remove Flash cookies. They are pervasive - even on government web sites - and won't be going away anytime soon.