Firefox Download Manager reacts unexpectedly.

I can't download the files correctly using the default Firefox Download Manager. The affected extensions are:

 1. Download Status
 2. Download Statusbar
 3. DownThemAll (although since this doesn't interfere with the default, I don't see what this might have to do. Included for completeness).

Now to the problem:
Firefox displays the weird behavior every time as downloading a file:

 1. The download completes, and it keeps scanning the file with an antivirus for indefinite periods (it never ended so far) even with tiny text files.
 2. During this period of antivirus checking, if I download another file, the old one gets magically deleted.

I'll disable add-ons relevant and post back the results.

See "Antivirus disable in Firefox preferences - Windows."

Try to set this pref to false on the topic: config page.

  • browser.download.manager.scanWhenDone

Tags: Firefox

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