How to Fix a 16-Bit Windows Subsystem Error

By eHow Computers Editor

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A 16-bit Windows subsystem error can occur when you try to run DOS programs or games in Windows. Missing or damaged system files or a missing default printer can cause the errors. Follow these steps to fix 16-bit Windows subsystem errors.

Instructions

Difficulty: Moderate

Step1
Reinstall the program. If you still get an error, click the Windows "Start" button. Go to "Control Panel" and choose "Printers." Make sure there is a default printer with a name that contains fewer than eight characters.
Step2
Right-click the icon for the program that is giving an error. Select "Properties." Click the "Advanced" button and check the "Run in Separate Memory Space" box.
Step3
Put your Windows installation CD in your CD drive. Hit the "Start" button. Click "Run." In the "Open:" box, type "CMD."
Step4
Type "expand D:\i386\config.nt_ c:\windows\system32\config.nt" at the prompt. After the command runs, repeat the command to expand the "autoexec.nt," and "command.com" files.
Step5
Start the faulty program. If you still get 16-bit Windows subsystem error, browse to the "Windows" folder and open the "System32" folder . Right-click the "config.nt" file and select "Open With." Browse to "Notepad."
Step6
Check the "config.nt" to be sure it contains the following 3 lines: "dos=high, umb," "device=%SYSTEMROOT%\system32\himem.sys" and
"files=40." If any of the lines are missing, type them into the file and save the file.
Step7
Open the "autoexec.nt" file. Make sure it has three lines that each start with "lh %SYSTEMROOT%\system32\" and end with "mscdexnt.exe," "redir" and
"dosx," respectively. The file should also contain the line "SET BLASTER=A220 I5 D1 P330 T3." If any of these lines are missing, enter them and save the file.

Tips & Warnings

  • Programs that need a virtual device driver won't run properly in Windows XP.

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eHow Article:  How to Fix a 16-Bit Windows Subsystem Error

eHow Computers Editor

eHow Computers Editor

Category: Computers

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