Cannot run setup programs that use wowexec.exe on my NT workstation 4.0. Help---any setting or recovery files that can fix this problem

Try installing the latest Service Pack, #6.

Okay, I am again having this damn CD-ROM setup file failing to launch problem that comes and goes. I tried to install Backup Exec from the CD on my NT 4.0 WS, SP6a; The CD light goes on and it hums; the cursor flickers, turns into the hourglass for a few seconds, but the app does not appear and suddenly: all stops; I try to launch the CD from both WinExplorer and Run using the "setup.exe" file; the CD hums and then stops; nothing; No other CD will now work until I fix it, which I can't figure out how to do; I fail away at different things; sometimes they work, sometimes (NOW) then don't; no method; Further, NT will NOT shutdown when this happens; I run Shutdown or Reboot and nothing happens for several minutes; then I get the "Still running" Box: 1st its something about "Battery" is still running; select End Task and I get "WOWEXEC" is still running (THIS is connected to the problem, I am certain: DAMN WOWEXEC file) select End Task and goes back to normal desktop; If I try to open anything, I get message saying can't open it because NT is shutting down; but it isn't; So I select Shutdown or Reboot AGAIN and the hourglass appears, the screen dims, and: NOTHING happens; let it set for hours sometimes: NOTHING; soooooooooooo, shut it off!!!!!!!! Yuck; When I turn it on, of course, NT has to then run the scandisk because of an IMPROPER shutdown; No S_ _ _, Dick Tracy! NT does come up again but the CD Drive won't launch the appl; nor will any other CD launch thereafter; Now, let me halt your quick responses: 1. No problem in BIOS: A; CD-ROM; C; 2. CD-ROM Drive and CD works: switched to Win98SE; insert CD; comes up auto; installed BackupExec; no problem; 3. CD-ROM Drive and CD works in NT: insert CD; go to WinExplor; select CD Drive; view files; launch any text file; ALL text files off the CD will open, no problem (but not any setup files) Checking Processes I find: ntvdm.exe setup.exe winsetup.exe wowexec.exe In the past I have tried to End Process for wowexec.exe but don't recall it fixing the problem; What I have done is copy the wowexec.exe from somewhere else, maybe NT Server, don't recall, thinking the file was corrupted; then copy it to the WinNT System directory after renaming the Old wowexec.exe file then rebooting; didn't work this time; I have searched MS TechNet in the past for wowexec.exe and don't recall finding a fix; Obviously, this has not happened recently so I have forgotten what steps I did to fix it; it was mostly failing randomly; It happens 2-3/year, maybe; This thing is driving me nuts because I can't use my CD Drive and I can't find a logical reason for what is going on and a solution.

I had a similar problem with a 16-bit setup-program. I solved it by creating a shortcut to the setup.exe file and enabled the flag "Run in separate memory space".

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