All commands failing in powershell (4.0.) Even "c:" and "cd" and "dir" -

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I'm not sure when it will start ... whenever I open PowerShell, I also execute the most basic commands can not do . I always get the following error message: 

  psc: \> gt; Dir dir: Drive can not get a drive with the name '.' Does not exist. In line: 1 character: 1 + dial + ~~~ + Category information: Object knotfound: (.: String) [], DriveNotFoundException + Fully Qualified Error ID: DriveNotFound ---

It was working fine but now suddenly I can not do anything. I tried to remove and reinstall the PowerShell 4 ... there is no change sorry for the formatting here ... Looks, but the preview text is very awesome Eats

I never miss to install Java, but seeing my regular% path% That's% Java_Home% is there, but the price is never used or defined anywhere. Once I got out of my way, the top mistake went away.

Strange thing that it will also be an issue for the powers. You thought that it would only leave a non-existent directory on my way, and after solving a command, we have to go to the next one.


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