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How do I make Firefox stop scanning downloads for a virus?

Posted

Whenever I download something, especially smaller files such as a .jpg or .torrent, Firefox scans the download for viruses. In theory this is a good thing. In practice, at least for me, it means my browser is locked up for as long as 2 minutes (average is closer to about 10 seconds) while it scans the file that I have ZERO concern over a virus in the first place. Now, it's entirely possible that because I'm not a gaming nerd my computer is "slow" by elitist standards (2gHz is slow?! 2mB RAM is slow?!), but that is neither here nor there; I want this "service" gone and I want it gone now.

Whenever I download something, especially smaller files such as a .jpg or .torrent, Firefox scans the download for viruses. In theory this is a good thing. In practice, at least for me, it means my browser is locked up for as long as 2 minutes (average is closer to about 10 seconds) while it scans the file that I have ZERO concern over a virus in the first place. Now, it's entirely possible that because I'm not a gaming nerd my computer is "slow" by elitist standards (2gHz is slow?! 2mB RAM is slow?!), but that is neither here nor there; I want this "service" gone and I want it gone now.

Chosen solution

You can turn off the Firefox request for the downloaded file to be scanned.

  1. Type about:config into the location bar and press enter.
  2. Accept the warning message that appears, this will then bring up a list of preferences.
  3. In the filter box type scan
  4. Double-click on the
    browser.download.manager.scanWhenDone
    preference to change its value to false

This procedure just stops Firefox requesting that the file is scanned, your anti-virus software is likely to scan downloaded files, especially executable files. If you want to disable that scanning (not recommended) you need to check the settings of your anti-virus program.

Read this answer in context 10

Additional System Details

This happened

Every time Firefox opened

This started when...

As long as I've been using Firefox, so far as I can recall.

Installed Plug-ins

  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • Default Plug-in
  • Shockwave Flash 10.0 r42
  • Next Generation Java Plug-in 1.6.0_20 for Mozilla browsers
  • Npdsplay dll

Application

  • User Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.4) Gecko/20091016 Firefox/3.5.4

More Information

TonyE
  • Moderator
1044 solutions 8863 answers

Chosen Solution

You can turn off the Firefox request for the downloaded file to be scanned.

  1. Type about:config into the location bar and press enter.
  2. Accept the warning message that appears, this will then bring up a list of preferences.
  3. In the filter box type scan
  4. Double-click on the
    browser.download.manager.scanWhenDone
    preference to change its value to false

This procedure just stops Firefox requesting that the file is scanned, your anti-virus software is likely to scan downloaded files, especially executable files. If you want to disable that scanning (not recommended) you need to check the settings of your anti-virus program.

You can turn off the Firefox request for the downloaded file to be scanned. # Type '''about:config''' into the location bar and press enter. # Accept the warning message that appears, this will then bring up a list of preferences. # In the filter box type '''scan''' # Double-click on the '''<pre>browser.download.manager.scanWhenDone</pre>''' preference to change its value to '''false''' This procedure just stops Firefox requesting that the file is scanned, your anti-virus software is likely to scan downloaded files, especially executable files. If you want to disable that scanning (not recommended) you need to check the settings of your anti-virus program.
cor-el
  • Top 10 Contributor
  • Moderator
17470 solutions 157899 answers
See also http://kb.mozillazine.org/Unable_to_save_or_download_files

Question owner

Thanks a bunch! I got damn tired of not having a browser for 30 seconds just because Firefox wants to take that long to scan a dinky .jpg that I found amusing.

Thanks a bunch! I got damn tired of not having a browser for 30 seconds just because Firefox wants to take that long to scan a dinky .jpg that I found amusing.

Question owner

When someone asks a question, posting a link to a page FILLED with tangentially related stuff is NOT helpful. Maybe that's how you're used to doing things, but it is an utterly craptastic way to answer a question. Were you in such a hurry that you couldn't copy/paste the actually relevant material? If so, why bother at all?

When someone asks a question, posting a link to a page FILLED with tangentially related stuff is NOT helpful. Maybe that's how you're used to doing things, but it is an utterly craptastic way to answer a question. Were you in such a hurry that you couldn't copy/paste the actually relevant material? If so, why bother at all?
cor-el
  • Top 10 Contributor
  • Moderator
17470 solutions 157899 answers

Links to KB articles are for reference in case you need it again in the future or if you or someone who reads this thread want some extra background information.
This forum just got updated and all posts older than about three months were removed, so links to a KB article will hopefully last longer and can easily be bookmarked.

Links to KB articles are for reference in case you need it again in the future or if you or someone who reads this thread want some extra background information.<br /> This forum just got updated and all posts older than about three months were removed, so links to a KB article will hopefully last longer and can easily be bookmarked.
TonyE
  • Moderator
1044 solutions 8863 answers

You're welcome

You're welcome
padge61 0 solutions 1 answers

comments deleted - if you have nothing of worth to contribute to an 11 month old thread besides criticism of another posting or person, don't post anything

''comments deleted - if you have nothing of worth to contribute to an 11 month old thread besides criticism of another posting or person, don't post anything''

Modified by the-edmeister