Registry Guide for Windows

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Registry tweaks, tricks & hacks to optimize, enhance and secure Microsoft Windows.

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Home > Windows > Accessories > Windows Installer

(Windows 2000/XP)
This restriction stops Windows Installer from recording the original state of the system and sequence of changes it makes during installations. This restriction is designed to reduce the amount of temporary disk space required to install programs.

This tweak can be easily applied using WinGuides Tweak Manager.
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Open your registry and find or create the key below.

Create a new DWORD value, or modify the existing value, called "DisableRollback" and set it according to the value data below.

Exit your registry, you may need to restart or log out of Windows for the change to take effect.

Note: Once this setting is applied, Windows Installer cannot restore the computer to its original state if the installation does not complete.


(Default)	REG_SZ	(value not set)
DisableRollback	REG_DWORD	0x00000001 (1)


	HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Instal...

Registry Settings

User Key: [HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Installer]
Value Name: DisableRollback
Data Type: REG_DWORD (DWORD Value)
Value Data: (0 = default, 1 = disable rollback)

Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last Modified: October 13, 2003