"I've tried to do everything suggested under FAQ's on the mozilla site but it still won't let me install any toolbars or plugins.": That does not tell me what steps you have tried or what articles you have read.

• See --> Unexpected installation error -203 when installing add-ons

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Not related to your question, but...

You may need to update some plug-ins. Check your plug-ins and update as necessary:

• Plug-in check: https://www-trunk.stage.mozilla.com/en-US/plugincheck/
• Adobe Shockwave for Director Netscape plug-in: Installing (or Updating) the Shockwave plugin with Firefox
• Adobe PDF Plug-In For Firefox and Netscape: Installing/Updating Adobe Reader in Firefox
• Shockwave Flash (Adobe Flash or Flash): Updating Flash in Firefox
• Next Generation Java Plug-in for Mozilla browsers: Installing or Updating Java in Firefox

I tried resetting the settings. making sure everything was updated and getting rid of any plug-ins or toolbars that could be harmful. the only security i have on my computer is AVG so that shouldn't be keeping me from downloading. I know for the chacha toolbar to download i had to downgrade to a different version of firefox but even then it still wouldn't download.

"I tried resetting the settings.":

• Does that mean that you deleted/renamed the extension .ini, .cache, and .rdf files in your Profile folder as specified in the article Unexpected installation error -203 when installing add-ons ?
• Did you do the deletion/removal with Firefox closed?
• Have you restarted Firefox after the deletion/removal?

I am not familiar with the chacha toolbar. If that is the only Add-on with which your are experiencing a problem, you may get better information on troubleshooting that toolbar by contacting the developer.

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i uninstalled everything through firefox, clicked uninstall and then restarted firefox. anything that i couldn't uninstall that way i shut down firefox and then went into my control panel and uninstalled in manually. I also started firefox in safemode and checked where it said "reset toolbar" or "toolbar settings", i can't remember what it says, and then closed it and restarted firefox.