Script busy when downloading files, or just opening up the downloads window

All of FF locks up until a pop up appears and says that this script chrome://mozapps/content/downloads/download.xml:68 is busy.
There is another suppport entry like this, but it was for the MAC, and I did not see a way to add "Me too" but with a different configurations.

Try to reset the download history and delete downloads.sqlite (plus downloads.rdf, if it exists) in the [http://kb.mozillazine.org/Profile_folder_-_Firefox Profile Folder]
See:
* http://kb.mozillazine.org/Unable_to_save_or_download_files#Manually_delete_download_history
Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]

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