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I used one program before when I forgot my dial up password, is there a programe like that which can retrieve wireless password / pass-phrase for me ?? Thank you

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up vote 10 down vote accepted

NirSoft has a variety of password recovery tools, depending on what you need.

From your question it looks you need either WirelessKeyView or Network Password Recovery

(Note: these retrieve the password which you have in your windows settings but cannot see, because it is under asterisks. They do not go cracking wep/wpa protections ... or anything of the sort. For that find specialized tools or linux distributions like BackTrack).

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Looks like the WirelessKeyView (towards the bottom of the page) should do the trick. –  Jared Harley Jan 7 '10 at 19:20
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I'd add that it gives you a hashed password, which while looking different, should still work. –  Journeyman Geek Jan 23 at 0:18
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The NirSoft WirelessKeyView tool recommended by Idigas should do the trick for you. If you're using Windows 7, you can view the wireless key without any additional software.

If you have access to the wireless router, you should also be able to reset the router to the factory defaults, and then set a new WiFi passphrase that way.

Personally, I have a piece of paper with the WiFi password taped to the bottom of the wireless router. I figure that, by the time someone's in my house to get that key, I've got bigger problems to worry about than a WiFi passphrase...

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Good point! The only problem with the paper approach is that my router is on top of a closet, some 3.5m above the ground, and I don't usually like climbing up there to write a new password every time I change it (not often, but still ...). Nevertheless, having a password written in some file somewhere in your home directory (or wherever) can save a headache every once in a while. +1 –  ldigas Jan 7 '10 at 19:29
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