Tweak Library – Show “Run in Separate Memory Space” option

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Show “Run in Separate Memory Space” option (For All Users).

This tweak controls the display of Run in Separate Memory Space option in the Run box, which allows you to run 16-bit programs in a dedicated Virtual DOS Machine (VDM) process.

Tweak for : Windows XP, Windows 2003, Windows 2000, Windows Vista

Description:

The DOS and 16-bit programs run on Windows in the Virtual DOS Machine program. It provides 16-bit environment with DLLs also. 16-bit programs run as threads in a single and shared VDM process by default. They share the memory space allocated to the VDM process and therefore, they cannot run simultaneously.

If this tweak is enabled, then the checkbox for “Run in Separate Memory Space” appears on the Run dialog box. It gives users the option of running a 16-bit program in its own dedicated NTVDM process. The additional check box is enabled only when a user enters a 16-bit program in the Run dialog box.

For this, go to Start > Run menu, enter “regedit” and navigate to the registry path listed below. If the subkey “\Explorer” does not exist, create it as explained below. Then, create a DWORD value “MemCheckBoxInRunDlg” in the right panel.

Now, right-click and modify its value to “1” to show the option. However, if you want to show the original state, change the value data to “0” or delete the added value.

The changes take effect after a restart or logoff.

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Show Run in Separate Memory Space Option.reg

The '.reg' file can show 'Run in Separate Memory Space' option.

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Don't show Run in Separate Memory Space Option (Default).reg

The '.reg' file can not show 'Run in Separate Memory Space' option.

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Registry Entry Details:

Registry Entry 1 :

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\]

Key Type :

Local Machine

Value Name :

Explorer

Data Type :

Key

Enabled Value :

Disabled value :

Other value :

Value Action :

Add an Entry

Registry Entry 2 :

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\]

Key Type :

Local Machine

Value Name :

MemCheckBoxInRunDlg

Data Type :

DWORD (DWORD Value)

Enabled Value :

Disabled value :

Other value :

Value Action :

Add an Entry

Steps ScreenShots:

Apply registry settings according below given steps of screenshots with related changes.

'Run in Separate Memory Space' option is visible.

Default 'Run' option is visible.

First, click the 'Start' button, and select 'Run'. In the resulting dialog box, type "regedit".

Second, go to the [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\] key, right-click and click on "New > Key" to create a new key with the name "Explorer".

Third, right-click on the blank area in the right pane and click on "New > DWORD Value" to create a new DWORD value with the name "MemCheckBoxInRunDlg".

Fourth, right-click on the 'MemCheckBoxInRunDlg' DWORD value and click on "Modify".

Finally, enter the value "1" in the text box and click on 'OK'.

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Show “Run in Separate Memory Space” option (For Current User). Category : System This tweak controls the display of "Run in Separate Memory Space" option in the Run box, which allows you to run 16-bit programs in a dedicated Virtual DOS Machine (VDM) process.
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Category : System

This tweak allows you to increase the number of Page Table Entries available on the system.

Show “Run in Separate Memory Space” option (For Current User).

Category : System

This tweak controls the display of "Run in Separate Memory Space" option in the Run box, which allows you to run 16-bit programs in a dedicated Virtual DOS Machine (VDM) process.

Disable changes to daylight saving time.

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