All Downloads Fail w/Firefox

[REDACTED]

Hi All,

Like the title says. All downloads fail (with a download failed message from FF) while browsing with FF. I am running XP/FF v 37.0.1 and Avast v 2015.10.2.2015

I reinstalled Avast and FF to no avail. FF installed a new version and this also did not help. This behaviors is new. Disabling Avast allows normal downloads.

[Asyn]

- Which Avast..? (Free/Pro/IS/Premier)
- XP - 32/64 Bit..? - which SP..?
- Other security related software installed..?
- Which AV(s) did you use before Avast..?

[DavidR]

No problems with Firefox 36.0.4 and avast! free 2015 10.2.2215. I have yet to update to Firefox 37.0.1, just about to do that now and see if that makes any difference.

Are you using a download manager ?

[DavidR]

OK, have now got the same FF version as you and have done a test download of the avast free installation file. This downloaded without error.

If you can expand on how it is that you go about your downloads ?

[REDACTED]

It's Avast Free on XP Pro 32 bit. No download manager. No additional security software and no previous security software. This behavior is new but how new I'm not sure. I don't download much stuff.

By downloads I mean clicking any link to a download a file or any type by HTTP or FTP.  I get no Avast warning. The download starts and then FF immediately shows it as "failed". As an example I just tried to download a graphics driver from the HP Website but it could be anything from anywhere or any size (or extension .zip, .exe. whatever). Below are the results.

[Asyn]

1. Download Avast Free Antivirus: https://files.avast.com/iavs9x/avast_free_antivirus_setup.exe
2. Follow instructions: https://www.avast.com/uninstall-utility (Run this tool for all prior installed Avast versions..!!)
3. Reinstall Avast with the downloaded installer from point 1.
4. Reboot.

[bob3160]

You may find the following video helpful:
https://youtu.be/RBj-wakXF8Y

[REDACTED]

I already installed it once as I stated in my first post. I did not the Avast removal tool since it uninstalled w/o any problems. Are you suggesting the removal tool may fix something that the first new install did not?

[Asyn]

Are you suggesting the removal tool may fix something that the first new install did not?

Yep.

[REDACTED]

OK. I'll try it.

[Asyn]

OK, report back.

[REDACTED]

To all.

I am experiencing this behavior since FF 35.1 and Avast 2015.10.0.2208. Believe me I have tried everything without success. Any file bigger than a few MB failes to download. Even, sometimes, you see it is downloading but at the end it says " Failed ".

To Evangelist can read it here:
https://forum.avast.com/index.php?topic=165557.msg1179377#msg1179377

What I do is to try again but with FF just with the download window opened ( close FF browser ) see images

Of course I can also do it with IE if all else fail.

[Asyn]

1. I am experiencing this behavior since FF 35.1 and Avast 2015.10.0.2208. Believe me I have tried everything without success. Any file bigger than a few MB failes to download. Even, sometimes, you see it is downloading but at the end it says " Failed ".

2. To Evangelist can read it here:
https://forum.avast.com/index.php?topic=165557.msg1179377#msg1179377

Hi Hernan,

1. Like Dave, I've no problems here with FF. (Only difference is that I use FF ESR)
2. Why do you think it's related, you're talking about rootkit analysis there..!?

[DavidR]

No problems with the ccleaner download from File Hippo.

What are your download settings in the firefox options ?

[bob3160]

Did you look at the following topic
https://forum.avast.com/index.php?topic=169047.0
I just went through this and solved it with a clean install.