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firefox hangs when downloading files

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firefox 40.0.3.

a couple hours ago it started to hang when downloading of a file completes. i've tested it in safe mode, i deleted the entire mozilla folder in appdata\roaming, i've cleared the entire history, cache, etc. i've cleared the windows temp folder. i've disabled my AV and still the issue is present.

this started a few hours ago. two days ago it was fine. i've encountered that issue a few versions before but i dont remember how i got rid of it.

it will even freeze when i open the 'all bookmarks' window.

what could possible start that behavior out of the blue?

Modified by pavilion_alex

All Replies (12)

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As test, disable your protection program.

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i've already tried that and i wrote that on the first post. i disabled the shields and i tested to download something, and it hang at the end

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not helped. since there is nothing new from what i've already done as mentioned in the first post.

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What security software do you have?


You can check for problems with the places.sqlite ??db file (bookmarks, history) in the Firefox profile folder.


Do a malware check with several malware scanning programs on the Windows computer.

Please scan with all programs because each program detects different malware. All these programs have free versions.

Make sure that you update each program to get the latest version of their databases before doing a scan.

You can also do a check for a rootkit infection with TDSSKiller.

See also:

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no hope. it still freezes even when i save the bookmarks backup on my desktop. :'(

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Start your Computer in safe mode with networking. Then start Firefox. Try Safe web sites. Is the problem still there?

Starting The Computer In Safe Mode;
Free Online Encyclopedia

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just tried that, when the files reaches the end the browser stops downloading it and after a few seconds it hangs. it even froze during 50% of the downloading as i was testing it.

i even renamed the profile folder and started with a fresh one. what could possible interfere with the downloading the moment the AV wasn't working during safe mode.

Modified by pavilion_alex

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with further investigation on the issue i found that when downloading a exe but changing the save location by selecting a folder on the dialog, even chrome will hang.

the browsers won't always hang when i set the option "don't ask where to save" and they save automatically on a specified folder.

edit: i went to options to change the save location of downloads. upon selecting the folder and closing the dialog window, the browser froze.

i think i'm going to format and reinstall again. :(

Modified by pavilion_alex

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I've called the big guys to help you. Good luck.

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i appreciate it but i restored a complete image i did the day before the issue appeared. if it is not random and my OS installation has some kind of issue it will happen again. i will keep the thread updated.

now i tried to download something and the browser didnt freeze

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so fas so good. downloads complete like they are supposed to. weird things happen in the world of software haha