Registry uninstall values

Original link: http://windowssucks.wordpress.com/win-registry-uninstall-values/

 

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Only a couple of the valid uninstall values are documented on MSDN [1], some of them also have a Windows Installer property and have MSI specific documentation [2], and other values like DisplayIcon have no official documentation at all!

Name=Default	Reg. Type	Min. OS	Format	Notes
AuthorizedCDFPrefix	SZ	IE 4.01	http://updates.example.com	Whitelist of one or more URLs for Software Update Channel [5]. “http:” means any host over http.
Comments	SZ	2000
Contact	SZ	2000
DisplayIcon=Auto	SZ	2000	["]%path%["][,<-%ResId% | %ResIndex%>]	Quotes are optional [3] -1 is NOT a valid resource id [3]
DisplayName	SZ	*		Required by ARP.GUI [7]
DisplayVersion	SZ	2000	%major%.%minor%.%build%[.%revision%]	Usually string version of Version
EstimatedSize	DWORD	2000	%SizeInKiB%	Win7+ does not display the size information without this value [4]
HelpLink	SZ	2000	http://example.com/SupportInformation
HelpTelephone	SZ	2000	%PhoneNumber%
Installed	DWORD
InstallDate	SZ	2000	%YYYYMMDD%	Last time a patch was applied or removed from the product or the product was installed/repaired [2][8]
InstallLocation	SZ, EXPAND_SZ	2000	%fullpath\to\folder%	ARPINSTALLLOCATION: Full path to the application’s primary folder
InstallSource	SZ	2000	%fullpath\to\folder%
Language	DWORD	MSI?	%WIN32:LANGID%
ModifyPath	SZ, EXPAND_SZ	*?	"%path%" [parameters]
NoModify=0	DWORD	2000		Prevents display of a Change button for the product in ARP [6]
NoRemove=0	DWORD	2000		This only affects the display in ARP
NoRepair=0	DWORD	2000		If NoModify=1 and NoRepair=0, ARP will display a repair button
ParentDisplayName	SZ	XP:SP2, 2003		[8] Name of parent tree item
ParentKeyName	SZ	XP:SP2, 2003		[8] Parents sibling subkey or key under SOFTWARE\Microsoft\Updates? “OperatingSystem” seems to be a special value. Reserved key names: IEUpdate, OEUpdate, KB######, Q######, and ######
ProductID	SZ	2000		String displayed in ARP
Publisher	SZ	2000		Publisher/Developer of application, links to UrlInfoAbout
QuietUninstallString	SZ, EXPAND_SZ?	*	"%path%" [parameters]
Readme	SZ	2000	<%fullpath\to\readme.txt% | http://example.com/Readme&gt;
RegOwner	SZ	2000
RegCompany	SZ	2000
ReleaseType	SZ?	XP?	["Hotfix" | "Security Update" | "Software Update"]
RequiresIESysFile	SZ	IE 4.0?	%IEMajor%.%IEMinor%[.%IEBuild%%[.%IERevision%]]	If IE is downgraded to a version lower than RequiresIESysFile, perform QuietUninstallString?
HelpTelephone	SZ	2000
Size	SZ?	MSI?
SystemComponent	DWORD	XP?
TSAware	DWORD	XP?
UninstallString	SZ, EXPAND_SZ	*	"%path%" [parameters]	Required by ARP.GUI [7]
UrlInfoAbout	SZ	2000	http://example.com/PublisherOrAppHomepage
UrlUpdateInfo	SZ	2000	http://example.com/ProductUpdates
Version	DWORD	MSI?	0xMMmmBBBB	major.minor.build in packed form
VersionMajor	DWORD	MSI?
VersionMinor	DWORD	MSI?
WindowsInstaller	DWORD	MSI?	%BOOL:IsMSI%

Notes

• NT4+ supports entries under HKCU, Win9x only supports HKLM
• UninstallPath is documented on the Win 2000 Application Specifications page, it is probably a typo and they really mean UninstallString.
• The %AppName% subkey under …\Uninstall\ is also known as the “Microsoft Application Logo 5 name”
• AppName subkeys matching “KB??????” seem to get special handling
• “No*” values under HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\%AppName% override the normal settings under HKCU\…\Uninstall\%AppName%
• All “text” values also support *_Localized versions