No finder window 10.8.2

[microfox]

Hi all

Since last night, I have a very hard time getting a Finder window. Clicking on the icon on the dock does not work. Same for Command-N. If I click on any choice offered in the GO to menu, no dice. Clicking on a HD icon on the desktop does not work either.

In fact the only way I can see a Finder window is by clicking on an alias of my movies folder that I have created on the dock.

I have tried to force quit the finder, to reboot the iMac and even the terminal command of killall -KILL Finder and finally, deleting the finder preference plist. Nothing works.

I would appreciate some help

thanks
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iMac 2010, 21.5", 8Gb of RAM

2.0GHz Core2Duo Mac mini, 2 Gb RAM,120Gb HD + 1Tb LaCie external HD, Hauppauge PVR 950 USB TV Tuner stick, running 10.8.2

iPad 3rd generation, 32Gb

IPod Touch 4th generation 32Gb