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Often, when opening Windows Explorer, I encounter the following error and Windows Explorer needs to restart:
restart process
error process

Here I am using Windows 7 with an Intel Core 2 Duo processor and 2GB of RAM, is this caused by a virus or other causes?

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up vote 2 down vote accepted

It can be caused by many things. This happens to me a lot when recovering from being taken over by RDP. It doesn't necessarily mean you have a virus but It's likely 3rd party code causing the crash. (Something registered in your shell).

Fortunately explorer's become fairly resillient in windows vista/7 to crashes.

What I suggest is you use this tool to selectively disable shell extensions you don't need and see if the problem goes away.

If you're up to it you can to a systematic approach to pinpoint if any extension is causing this. Should you have no luck here you could have a number of problems but with out more information it's going to be difficult to diagnose.

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How if this happens when plugging in USB flash drive ? – TOFIK Jun 12 '12 at 18:18
    
@TOFIK: Pardon me? I'm not quite sure I understand your question. – Aren B Jun 12 '12 at 19:18
    
i ever plugging in USB flash drive to my laptop and and found the problem like that (windows explorer error) what caused it to happen ? – TOFIK Jun 12 '12 at 19:23
    
You're noticing this is happening when you plug your USB Key into your computer? If so, that could be an infected USB Key or a bad driver. – Aren B Jun 12 '12 at 20:17
    
Ok it make me understand ... – TOFIK Jun 12 '12 at 20:19

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