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I’ve been noticing that Windows Explorer’s file name in the Task Manager, ends with .EXE instead of .exe.

I decided to kill the process and restart Explorer. Now it shows up as explorer.exe, however it always defaults back to explorer.EXE when I restart my Toshiba Laptop running Windows 7 Pro.

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Open a command-prompt (cmd) and type where *explorer*.exe. Is there more than one result? Do any end in .EXE? – Synetech Dec 15 '12 at 4:37
Download Process Explorer, scroll to Explorer.EXE and check properties. It will give you the exact location of the exe. Post it here so that we can help you figure out if it is a rogue exe. – Ganesh R. Dec 15 '12 at 6:39
What version of Windows you running ? – Ofiris Dec 15 '12 at 15:18

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