Most virus checkers have real-time protection enabled. I find the file virus checker in Firefox 3 to do no more than slow my computer down. Learn how to disable the automatic virus check in Firefox 3 in this guide.
Disable Virus Auto-check in Firefox 3
Please be sure you are downloading safe files. This virus check is put in for a reason and should only be disabled if you are confident you know what you are doing.
- Type about:config in the Firefox address bar
- Now filter the following browser.download.manager.scanWhenDone
- Set the parameter to False
Now, Firefox wont slow down after every file you download.
About Rich
Rich is the owner and creator of Windows Guides; he spends his time breaking things on his PC so he can write how-to guides to fix them.
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Thanks for this, i came to this page via a google search and the virus scan really annoyed me so this is really useful.
Thanks for this, i came to this page via a google search and the virus scan really annoyed me so this is really useful.
Awesome, thanks so much!!!
Awesome, thanks so much!!!
what is this virus checker? i think firefox is doesn’t contain any viruschecker.
@Max – When you download a file, Firefox will scan it when the download completes.
what is this virus checker? i think firefox is doesn’t contain any viruschecker.
@Max – When you download a file, Firefox will scan it when the download completes.
What is your antivirus application? I ask this because i use AVG and firefox doesn’t invoke that.
AVG on my desktop.
Watch carefully after a file download (a bigger file is better because it takes longer to scan.) When the file is complete, a notice under the progress bar (in the download box) will notify you that Firefox is “Scanning for viruses”. Please note this is only a feature of Firefox 3.
What is your antivirus application? I ask this because i use AVG and firefox doesn’t invoke that.
AVG on my desktop.
Watch carefully after a file download (a bigger file is better because it takes longer to scan.) When the file is complete, a notice under the progress bar (in the download box) will notify you that Firefox is “Scanning for viruses”. Please note this is only a feature of Firefox 3.
yeah, firefox will do it regardless of what antivirus program you have
yeah, firefox will do it regardless of what antivirus program you have
In setting up my printer, I am told to close virus checking program. Does that mean I need to disable it?
In setting up my printer, I am told to close virus checking program. Does that mean I need to disable it?
this is a great idea, especially since IT DOESN’T DO A DARN THING!
This is good especially since Firefox’s virus scanner DOESN’T DO ANYTHING.
this is nice especially since FIREFOX'S VIRUS SCANNING DOESN'T DO A DARN THING!
You just need to get decent AV software… like F-Secure
Works in Firefox 4.0.1 too!