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leecher1337 / ntvdmx64

Run Microsoft Windows NTVDM (DOS) on 64bit Editions
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ntvdmx64 not working #239

Closed thewanderingtraderm closed 1 month ago

thewanderingtraderm commented 1 year ago

I installed ntvdmx64 but when can't run a dos application it says this app cant run on your pc

leecher1337 commented 1 year ago

OS version? Debugview log? Symbols present?

kllkradio commented 11 months ago

From what I can surmise, after the most recent major update (KB5031354) for Windows 11 (22H2) on 10/10/23, NTVDMx64 has stopped running on my computer. I reinstalled NTVDMx64 with the latest version to no avail.

Here is the error message that I get when I open up a DOS program:

ntvdmx64 error1

When I install NTVDMx64, I get an error message: [*] Trying to download necessary debug symbols C:\WINDOWS\symbols\Backup\compobj.dll: Access is denied.

ntvdmx64 error2

My guess is that this is the problem. It has been over seven days since Microsoft released the major update so I am beginning to think that KB5031354 may have broken something.

Any thoughts as to what can be done to correct this? NTVDMx64 is fabulous!

kllkradio commented 11 months ago

Good News! This evening, I installed the 2023-10 Cumulative Update Preview for Windows 11 Version 22H2 for x64-based Systems (KB5031455). When my computer restarted, and I initiated a DOS program, I got an error stating that the program wasn't compatible with 64-bit operating systems. This was a different error message than I had gotten previously. I then uninstalled ntvdmx64 and reinstalled it. I don't know why, but after reinstalling ntvdmx64 this time, my DOS programs started working again!