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"Cannot find file" (ntvdm problems)
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pollolibredegrasa
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O.P. "Cannot find file" (ntvdm problems)
I seem to have a problem running certain .exe files...

A few days ago I went to run QBasic and though it loaded fine, all of a sudden my CPU usage would jump to 100%. I checked Task Manager and found ntvdm (can't remember whether it was dll or exe) to be the culprit, and ending that task killed QBasic.

I had a brief look on the internet, but didn't find anything that helped, so I deleted the file in system32 and let Windows restore it from the dllcache, which it did. Only now however, every time i go to run QBasic, I get

"C:\Documents and Settings\Richard\Desktop\qbasic>qbasic
The system cannot find the file C:\Documents and Settings\Richard\Desktop\qbasic\QBASIC.EXE."


This also happens on a couple of Setup.exe files I've tried (very old setup files, so I'm assuming maybe its something to do with that) - when I double click them in windows explorer I get

"Windows cannot find 'D:\SETUP.EXE'. Make sure you typed the name correctly, and then try again. To search for a file, click the Start button, and then click Search."


Anyone have any ideas what's gone wrong and if there is any way I can sort it?

Using XP Pro and all updates applied.

Any help appreciated :)

This post was edited on 07-02-2007 at 12:13 PM by pollolibredegrasa.
;p

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07-02-2007 10:47 AM
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AngelDevil
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RE: "Cannot find file"
NTVDM.exe is the Windows NT Virtual DOS Machine!! If you have deleted it, how you can now load DOS programs??
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07-02-2007 11:04 AM
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pollolibredegrasa
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O.P. RE: RE: "Cannot find file"
quote:
Originally posted by AngelDevil
NTVDM.exe is the Windows NT Virtual DOS Machine!! If you have deleted it, how you can now load DOS programs??

Re-read my original post:
quote:
Originally posted by fatfreechicken
I deleted the file in system32 and let Windows restore it from the dllcache, which it did.
;p

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07-02-2007 11:07 AM
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AngelDevil
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RE: "Cannot find file"
Yes I have read it after posting, and I was going to edit but i was searching anything about this problem in italian forums before edit..

I found this page.. read if it can help you: http://support.microsoft.com/default.aspx?scid=kb;en;314106
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07-02-2007 11:11 AM
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pollolibredegrasa
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O.P. RE: "Cannot find file"
OK, I just copied the NTVDM files from my laptop onto my PC and thats seems to have solved it. Windows appears to have restored the wrong version of the files after I deleted them, and now the "cannot find file" error is solved.

However, I'm still getting 100% cpu usage in NTVDM.exe when I use QBasic, an ideas why anyone?
;p

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07-02-2007 11:43 AM
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AngelDevil
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RE: "Cannot find file"
It's a feature of the WOW (Windows On Windows, the environment for Windows 16 bit applications).. the cpu usage when it is running is always at 100%... if you use QBasic and others DOS programs, you need to have it...
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07-02-2007 11:49 AM
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pollolibredegrasa
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O.P. RE: "Cannot find file"
It never did it before. I can't use my computer at all when running QBasic now, it just slows to a crawl and takes about a minute to move the mouse from one side of the screen to the other. It definitely did not do that last time I used it, nor does it do that at the computers at College...
;p

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07-02-2007 11:53 AM
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Jarrod
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RE: "Cannot find file" (ntvdm problems)
re-download qbasic and if that doesnt help write all your code in notepad save a *.bas and complile in qbasic

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07-02-2007 12:39 PM
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andrewdodd13
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RE: "Cannot find file" (ntvdm problems)
I would have said, if it hadn't been doing this before, that it's QBasic was written for DOS, and likely didn't use the idle-loop, ie it just ran inside a FOR ... break; or WHILE (user doesn't chose exit) loop - because this would use 100% CPU usage. (DOS didn't care/know about ACPI/APM, etc. without drivers).

However, it is very curious that this behaviour has just started happening...

IIWM, I would just set the ntvdm.exe process to less than normal in task manager. Or try running QBasic in DOSBOX. :)
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07-03-2007 10:07 AM
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