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Windows 7: Flv Files Problems

06 Apr 2011   #1

Windows 7 Home Premium 32bit.
Flv Files Problems

When i try to play a flv video file or just go to the folder where it is located,after a while explorer.exe stops responding and i have to reboot my pc. I have deleted all my flv files with unlocker but i wonder if there is a way to avoid that. Any suggestions?

My System SpecsSystem Spec

06 Apr 2011   #2

Several, including Windows 7 x64 Ultimate

Explorer does not play any files, it is a file manager and the shell. What program are you using to play .flv files?

You can try this, it plays more or less everything and is self-contained, it does not normally require that you install extra codecs etc.

VideoLAN - Official page for VLC media player, the Open Source video framework!

If you are having problems with explorer itself, then check first whether you have any malware on your system;

Download it and run a full scan. If it finds anything, post the log here.

Regards....Mike Connor
My System SpecsSystem Spec
06 Apr 2011   #3

Windows 7 x64 Ultimate

It sounds like you installed a codec which is registered to read Flv files but is buggy.

Explorer does in fact read media files, pictures, audio, video etc. It doesn't PLAY them but it tries to open them to find out information like size, fps, thumbnails etc.

You can try uninstalling the codec or codec pack that you suspect might be the cause... ANd yeah, for playing a ton of off beat file types, VLC is a good program and installing it will not mess up explorer or any other WORKING codecs you might already have installed.
My System SpecsSystem Spec

06 Apr 2011   #4

Windows 7 Home Premium 32bit.

I have installed Matroska Pack and to play them i use gom player... The thing is that only recently this problem has occured.
My System SpecsSystem Spec
06 Apr 2011   #5

Several, including Windows 7 x64 Ultimate

If strange things start happening on anything at all, then scan your system for malware immediately, before you do anything else. This might allow you to save the system.

If you have malware on your system, then it is more or less impossible to troubleshoot various things.

You already found malware on your system;

Folder Problem

and according to the log you posted you only ran a quick scan and did not remove the malware;

Windows 6.1.7600
Internet Explorer 9.0.8112.16421

6/4/2011 1:15:35 πμ
mbam-log-2011-04-06 (01-15-29).txt

Scan type: Quick scan
Objects scanned: 163649
Time elapsed: 3 minute(s), 43 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 7
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 6

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_CURRENT_USER\SOFTWARE\JCFSE7V7Z1 (Trojan.FakeAlert) -> No action taken.
HKEY_CURRENT_USER\SOFTWARE\JP595IR86O (Trojan.FakeAlert) -> No action taken.
HKEY_CURRENT_USER\SOFTWARE\NtWqIVLZEWZU (Trojan.FakeAlert) -> No action taken.
HKEY_CURRENT_USER\SOFTWARE\SMH2B46TDP (Trojan.FakeAlert) -> No action taken.
HKEY_CURRENT_USER\SOFTWARE\Z30KYPG3WS (Trojan.FakeAlert) -> No action taken.
HKEY_CURRENT_USER\SOFTWARE\ZE18MW23GY (Trojan.FakeAlert) -> No action taken.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\ (Hijack.Zones) -> No action taken.

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
c:\Users\Public\documents\Server\admin.txt (Malware.Trace) -> No action taken.
c:\Users\Public\documents\Server\server.dat (Malware.Trace) -> No action taken.
c:\Windows\hosts (Trojan.Agent) -> No action taken.
c:\Windows\Tasks\{22116563-108c-42c0-a7ce-60161b75e508}.job (Trojan.Downloader) -> No action taken.
c:\Windows\Tasks\{35dc3473-a719-4d14-b7c1-fd326ca84a0c}.job (Trojan.Downloader) -> No action taken.
c:\Windows\Tasks\{bbaeaeaf-1275-40e2-bd6c-bc8f88bd114a}.job (Trojan.Downloader) -> No action taken.

There is no point in trying to fix things once you have been infected like that, you will not normally be able to find the cause of the problem, and even if you can, there is no knowing what other damage has been done.

Regards....Mike Connor
My System SpecsSystem Spec
06 Apr 2011   #6

Windows 7 Home Premium 32bit.

no, i have removed the malware that was shown in the quick scan and i already did a full scan and also removed the malware that it showed me. i am also right now running a scan with my panda antivirus pro
My System SpecsSystem Spec
06 Apr 2011   #7

Several, including Windows 7 x64 Ultimate

OK. That's good. Unfortunately, removing the malware does not automatically repair any damage it did. The only sensible option in such a case is to re-install your system.

Trying to troubleshoot the damage done by the malware can take a very long time and is rarely successful.

Regards....Mike Connor
My System SpecsSystem Spec
06 Apr 2011   #8

XP / Win7 x64 Pro

Uninstall all of the Matroska codecs, launch an elevated command prompt, and run "sfc /scannow". This should repair the corrupted .dll's explorer is using to display the flv thumbnails.
My System SpecsSystem Spec
06 Apr 2011   #9

Windows 7 Home Premium 32bit.

Actually this problem started when i instaled youtube downloader
My System SpecsSystem Spec
07 Apr 2011   #10

Windows 7 Ultimate SP1

Usually this kind of Video can read by a Player such as KMPlayer,VLC Player,etc.
Avoid to install different codes that might potentially mess up the registry of Windows,
result a faulty for some audio/video files open correctly.
My System SpecsSystem Spec

 Flv Files Problems

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