Why won't Firefox won't download?

Why won't Firefox download? It completed the set up stage then stops.

If downloads hang at the last minute (just before reaching 100%), the cause might be antivirus software which tries to scan the file and during that process hangs the Firefox instance.
In order to fix the problem, try disabling the scanning as follows:
# In the [[Location bar autocomplete|Location bar]], type '''about:config''' and press '''Enter'''. The about:config "''This might void your warranty!''" warning page may appear.
# Click '''I'll be careful, I promise!''', to continue to the about:config page. A list of settings should appear
# Filter the list by typing in the search bar at the top. Type in ''scanWhenDone''. '''You should now find the "browser.download.scanWhenDone" preference'''.
#Double-click on that preference to set the value to ''false''.
#Next, try to download something and see if it still hangs.
Please reply and tell us whether this helped you!

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