This has just started to happen on my win8.1 machine.
I typed cmd in the search box of the start menu (win8.1), then clicked on it and got a blue band across my monitor saying 'This app cannot run on your PC'
I've never had that before!
So I then right click and select run as Administrator, but then I get another message box telling me that
Windows cannot find
For a start cmd.exe is in that location as well as being in the \System32 folder.
I have created 2 shortcuts , 1 for each location, on my desktop an can just click on either and they open up with any errors.
From which location is the correct cmd.exe to use, and why am I getting the said error message.
Also, it is the same scenario when I type msconfig.exe and regedit. After right clicking and run as Admin, Windows can't find, etc etc in the same WnSxS folder.
I have scanned my system with Malwarebytes anti malware, SpyBot S&D, EEK, and AdwCleaner.
EEK found 0 adware entries , while AdwCleaner found a few registry entries which were deleted by the program.
I have also done a sfc /scannow, and nothing was amiss.
I started a new topic in the Am I infected section on the above problems here :
I was asked to start a new topic in this thread due to more problems as described lower down.
I used/ran the windows all 1 one program and completed the required repairs, but that didn't cure the problem.
Then more or less out of the blue, after I had ran other cleaning tools like HighJackThis, and Runscanner, the problem was cured.
Then after a couple of weeks, after I have just very recently updated my hardware, the problem I had previously has returned.
I have scanned for malware and spyware using Malware Bytes and Spybot S&D. I have ran Emisofts Emergency Tooltkit 3 times, and have ran the windows repair all in one 3 times, once being in safe mode.
Also I have ran ADW Cleaner, once in Safe Mode and again in Normal Mode
Each program now shows no malware or spyware anywhere on my system.
Each time I try to open cmd, msconfig or regedit, I get this: a blue band across my monitor saying 'This app cannot run on your PC'
Also, yesterday I found that right mouse click on any folder crashes or closes windows explorer down. Another annoying problem was that my permissions on the folders on my home server had been changed, and I could not write to any folder.
Last night when I thought I had cured the 2 problems above, I rebooted for some reason, and both problems came back again..
I have also found that on both occasions I had 'omniboxes' on my system, or at least it hijacked FireFox, but I have now removed it., and yet it still appears each time I open up/run Firefox, as a new page. I don't know where it is coming from, as I have searched and cleaned my system as best as I could.
Just one thing I should say is that all my data is on a separate drive, and to the best of my knowledge none of the files are giving me problems or infected.
Edited by hamluis, 28 March 2015 - 08:34 AM.
Moved from Win 8 to Am I Infected - Hamluis.