HKEY_LOCAL_MACHINE - Registry key

• HLM\
  Description of the HKEY_LOCAL_MACHINE Registry Branch Subkeys
  The HKEY_LOCAL_MACHINE branch in the registry defines all of the following specific information for your local computer:
  Drivers, Installed hardware, Port settings,Software configuration.
  The following list includes the subkey names and a description of them:
  Config, Driver, Enum, Hardware, Network, Security, Software, System
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q250405 (W95/98/se/ME Dec. 14, 2000)

• HLM\Config\
  A subkey of Config is mapped to HKEY_CURRENT_CONFIG as the current configuration, or a collection of hardware configuration profiles for the local computer. These profiles are located on the Hardware Profiles tab in the System tool in Control Panel.

• HLM\Driver\
  This subkey contains empty subkeys with names like 6 and 11. This subkey appears to be a placeholder. Not on all computers.

• HLM\Enum\
  Contains information about hardware devices connected to the computer.
  Description of the Subkeys Contained in the HKEY_LOCAL_MACHINE\Enum Registry Key
  The HKEY_LOCAL_MACHINE\Enum key contains subkeys for the specific hardware components your computer uses.
  BIOS, ESDI, FLOP, HTREE, ISAPNP, MF, MONITOR, NETWORK, PCI, ROOT, SCSI, USB.
  Depending on the computer, you may have keys for: infrared, tape controllers, and modems.
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q250530 (W95/98/se/ME Dec. 17, 2000)

• HLM\Enum\Bios\
  Description of Plug and Play Components within the HKEY_LOCAL_MACHINE\Enum\Bios Subkey
  The following subkey contains entries for Plug and Play components of the Basic Input/Output System (BIOS), including timers, controllers, DMA chips, and so on:
  HKEY_LOCAL_MACHINE\Enum\Bios:
  The following list includes a value name, followed by an appropriate description:
  PNP0000-PNP0004 Interrupt controllers Etc...
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q250534 (W95/98/se/ME Dec. 17, 2000)

• HLM\Enum\PCI\
  Description of Plug and Play Components within the HKEY_LOCAL_MACHINE\Enum\PCI Subkey
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q298837 (Aug. 7, 2001)

• HLM\Hardware\
  Contains information about serial ports and modems used with communication programs.

• HLM\Network\
  Network information created when a user logs on to a networked computer. This includes the user name, primary network provider, whether the logon was validated by a server, and information about the system policies processor.

• HLM\Security\
  Contains information about the network security access, provider, and remote administration capabilities.

\Classes
\Clients
\[Matrix]
\Microsoft
\Policies

• HLM\Software\Classes\Interface\{00020400-0000-0000-C000-000000000046}
  Default: IDispatch
  ProxyStubClsid
  ProxyStubClsid32 The "Open in a New Window" Command May Not Work
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q272322
  
  
• HLM\Software\Classes\lnkfile
  IsShortcut Unable to Create a New Web Folder
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q252617

• HLM\Software\Clients\Exchange\... How to Add Exchange 5.0 Client as Default E-mail Program
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q294443
  
  
• HLM\Software\Clients\Mail\Outlook Express "Send To" and E-mail Links Do Not Work Using Outlook Express as Default
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q306098
  
  
• HLM\Software\Diamond\Multimedia An Error Occurred While Windows Was Working with the Control Panel file C:\Windows\System\Desk.cpl
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q217752

• HLM\Software\[Matrix] Error Message "Msimn Caused a Stack Fault in Module Wsock32.dll"
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q279084

\Active Setup
\Advanced INF Setup
\ClipArt Gallery
\Cryptography
\Code Store Dababase
\Connection Manager
\Exchange
\Internet Explorer
\Java VM
\Office\9
\OLE
\Plus!
\Policies\Microsoft\MediaPlayer
\Policies\Microsoft\WindowsUpdate
\Share Tools
\WAB
\Windows\Current Version

• HLM\Software\Microsoft\Active Setup How to Manually Uninstall Internet Explorer 5 for Windows 95
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q243678 How to Troubleshoot Active Setup Problems in Windows 98, 98 SE or ME
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q277552
  
  
• HLM\Software\Microsoft\Active Setup\Installinfo Microsoft Internet Explorer 5 and Internet Tools Entry Missing from Add/Remove Programs
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q246548
  
  
• HLM\Software\Microsoft\Active Setup\Installed Components\
  {3af36230-a269-11d1-b5bf-0000f8051515} General Protection Faults in IE 5.01 after uninstalling IE 5.5
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q259173
  {44BBA840-CC51-11CF-AAFA-00AA00B6015C} How to Manually Uninstall and Reinstall Outlook Express 5.x and 6.0
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q256219 How to Reinstall or Repair Internet Explorer and Outlook Express in Windows XP
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q318378
  {5A8D6EE0-3E18-11D0-821E-444553540000} : Internet Connection Wizard Starting Internet Explorer Opens an MS-DOS Command Prompt Window
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q244460
  {7790769C- 0471-11d2-AF11-00C04FA35D02} How to Manually Uninstall and Reinstall Outlook Express 5.x and 6.0
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q256219
  {89820200-ECBD-11cf-8B85-00AA005B4383}\Version\ Error Message: Thank You For Your Interest in Windows Update...
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q234272 How to Reinstall or Repair Internet Explorer and Outlook Express in Windows XP
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q318378

• HLM\Software\Microsoft\Advanced INF Setup
  NoVersionConflictsInQuietMode Silent Minimal Internet Explorer Install with Custom Components
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q235302

• HLM\Software\Microsoft\ClipArt Gallery\2.0\
  Import Error Message: Acmsetup Caused an Invalid Page Fault in Msvcrt.dll
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q193830
  
  
• HLM\Software\Microsoft\ClipArt Gallery\3.0\
  ConcurrentDatabases Error Message: Acmsetup Caused an Invalid Page Fault in Msvcrt.dll
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q193830

• HLM\Software\Microsoft\Code Store Database\
  Global Namespace\Java Packages \com\ms\lang\
  This Classes.zip file can have a different name for each occurrence. How to Troubleshoot Java Problems in Internet Explorer
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q168806

• HLM\Software\Microsoft\CONNECTION MANAGER Error Message: The Service Profile Is Damaged. Re-install the service profile
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q232628

• HLM\Software\Microsoft\Cryptography\Defaults\
  Provider Types\Type 001 Internet Explorer Was Unable to Import This Certificate
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q182054

• HLM\Software\Microsoft\Exchange\Client\Extensions Outlook Express: Invalid Page Fault in Emalscan.dll
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q198063

• HLM\Software\Microsoft\Windows\CurrentVersion
  CacheWriteDelay ScanDisk Runs Even Though Windows Shut Down Correctly
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q273017
  ProgramFilesDir Error Message: Setup Was Unable to Install All the Components
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q189679 How to Manually Uninstall Internet Explorer 5 for Windows 95
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q243678

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• HLM\Software\Microsoft\Windows\CurrentVersion\Controls Folder \Display\shellex\PropertySheetHandlers
  Display manufacturer's folder (if it exists) An Error Occurred While Windows Was Working with the Control Panel file C:\Windows\System\Desk.cpl
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q217752

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• HLM\Software\Microsoft\Windows\CurrentVersion\Explorer
  Max Cached Icons Icons Randomly Change to Different Icons
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q132668
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
  ShowAttribCol Attributes Column Is Not Displayed in Details View of Windows Explorer
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q222157
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\Explorer\AlwaysUnloadDLL Problems After You Install Winzip Version 6.3 or 7.0
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q196480
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\Explorer\Desktop\Namespace
  88667D10-10F0-11D0-8150-00AA00BF8457
  (MNS desktop Icon) How to remove the MSN 5.x icon from the Windows desktop
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q263043
  
  
• HLM\Software\Microsoft\<Windows\CurrentVersion\Explorer\FindExtensions\ShellFind
  Value: Default : {61E218E0-65D3-101B-9F08-061CEAC3D50D} Find-Related Commands Missing From Menus and Tools
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q222029

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• HLM\Software\Microsoft\Windows\CurrentVersion\Font Missing TrueType Fonts in Fonts Folder or Programs
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q133732 How to Restore the Windows Default Fonts
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q234749

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• HLM\Software\Microsoft\Windows\CurrentVersion\Installer\InProgress "Error 1500. Another Installation Is in Progress..." When You Try to Install Office 2000
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q236456

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• HLM\Software\Microsoft\Windows\CurrentVersion\InternetSettings
  EmailName Cannot Navigate to Some FTP Sites Using FTP Folder with Anonymous Logon
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q219287
  ForceCodeDownloadLog HOWTO: Force Creation of an Internet Code Download Log
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q271451
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\InternetSettings\Accepted Documents
  QuickView Plus "Invalid Page Fault in Module Urlmon.dll" Error Message When Starting Internet Explorer
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q254490
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\InternetSettings\SO\JAVAPER
  
• HLM\Software\Microsoft\Windows\CurrentVersion\InternetSettings\SO\JAVAPER\JAVA Microsoft Virtual Machine Options Are Missing from Windows 2000
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q263673
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\InternetSettings\TemplatePolicies
  
• HLM\Software\Microsoft\Windows\CurrentVersion\InternetSettings\ZoneMap
  
• HLM\Software\Microsoft\Windows\CurrentVersion\InternetSettings\Zones Description of Internet Explorer Security Zones Registry Entries
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q182569

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• HLM\Software\Microsoft\Windows\CurrentVersion\Network\Real Mode Net
  AutoLogon No Windows or Network Logon Dialog Box at Startup
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q141858 Dial-Up Networking Password Is Not Saved
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q148925

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• HLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
  NoDevMgrUpdate Microsoft Windows Update Option Unavailable in Update Device Driver Wizard
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q253791
  NoDriveTypeAutoRun
  CD-ROM Does Not Run Automatically When InsertedQ177880
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q177880
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\Policies\Network
  DisablePwdCaching Dial-Up Networking Password Is Not Saved
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q148925

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• HLM\Software\Microsoft\Windows\CurrentVersion\ProfileList\username
  ProfileList key How to Disable and Delete User Profiles
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q156826

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• HLM\Software\Microsoft\Windows\CurrentVersion\Run
  HLM\Software\Microsoft\Windows\CurrentVersion\RunOnce
  HLM\Software\Microsoft\Windows\CurrentVersion\RunOnceEx
  HLM\Software\Microsoft\Windows\CurrentVersion\RunServices
  HLM\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
  HLM\Software\Microsoft\Windows\CurrentVersion\RunOnce\Setup Definition of the Run [Once] Keys in the Registry
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q137367 (W95/W98/ME/NT/2K Jan. 10, 2002) A Definition of the Run Keys in the Windows XP Registry
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q314866 (XP Mar. 14, 2002) INFO: Run, RunOnce, RunServices, RunServicesOnce and Startup
  This article explains how the Run, RunOnce, RunServices, RunServicesOnce, and RunOnce\Setup registry keys relate to each other and to the Startup Folder. It also describes the order in which these keys are loaded.
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q179365 (W95/98/ME/NT/2K/XP Dec. 24, 2001) Description of the RunOnceEx Registry Key
  RunOnceEx has the following features: Status, Performance, Error Handling, Deterministic
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q232487 (W98/ME Jan. 30, 2001) Syntax for the RunOnceEx Registry Key
  The Windows Desktop Update component implements the RunOnceEx registry key that provides the functionality described in this article.
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q232509 (W98/ME Oct. 23, 2000) Causes of General Protection Faults and Troubleshooting Tips
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q82710 How to Perform Clean-Boot Troubleshooting for Windows 98
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q192926 Outlook Express: Error Message "Msimn Caused a Stack Fault in Module Wsock32.dll"
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q279084

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• HLM\Software\Microsoft\Windows\CurrentVersion\Setup\Migration\100 Outlook Express Could Not Be Started Because MSOE.DLL Could Not Be Loaded
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q232480 How to Manually Uninstall Internet Explorer 5 for Windows 95
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q243678 How to Remove Internet Explorer 6.0 or Outlook Express 6.0 Before You Reinstall Windows
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q312474
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion
  Setup\Migration DLL How to Remove Internet Explorer 6.0 or Outlook Express 6.0 Before You Reinstall Windows
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q312474
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\Setup\SourcePath How to Change the Setup Source Path in Windows
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q131652
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\Setup\Updates\990602N1 Revision to AMD K6-2/350 Central Processing Unit Update
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q234259
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\Setup\Updates\990602N1\Y2K.W95.DUN Windows 98/95 Year 2000 Update May Not Update Vdhcp.386 File
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q230173

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• HLM\Software\Microsoft\Windows\CurrentVersion\SharedDLLs HOWTO: Enumerate the Values of a Registry Key
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q178755 "Failure Writing to the System Registry" Error Message When Running Setup Program Created Using Application Setup Wizard
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q247497

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• HLM\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved Internet Explorer Does Not Start
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q166465

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• HLM\Software\Microsoft\Windows\CurrentVersion\Telephony\Providers Error Message: The Modem Is Not Installed or Configured for...
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q191444

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• HLM\Software\Microsoft\Windows\CurrentVersion\Time Zones Error Message: "Outlook 2000 Caused an Invalid Page Fault in Module Msvcrt.dll" When Creating an Appointment
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q247678 Error Message: "Outlook 98 Caused an Invalid Page Fault in Module Msvcrt.dll" When Creating an Appointment
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q247880 "C:\Windows\System\Timedate.cpl" Error Message When Starting Date/Time Tool in Control Panel
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q250912

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• HLM\Software\Microsoft\Windows\CurrentVersion\Uninstall Error Message When Removing Program with Add/Remove Programs
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q141697 All Installed Programs May Not Be Displayed in the Add/Remove Programs Tool
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q240348
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\DisplayName
  HLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\UninstallString How to Manually Remove Programs from the Add/Remove Programs List
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q247501
  
  
• HLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\IE40 Microsoft Internet Explorer 5 and Internet Tools Entry Missing from Add/Remove Programs
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q246548

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• HLM\Software\Microsoft\Windows\CurrentVersion\Webcheck\LoadLCE
  HLM\Software\Microsoft\Windows\CurrentVersion\Webcheck\LoadSens Error Message When You Try to Use Internet Explorer: No Connection to the Internet Is Currently Available
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q303346

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• HLM\Software\Microsoft\Windows\CurrentVersion\Winalign
  LogForErrorCase values Description of the Walign.exe and Winalign.exe Tools
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q191655

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• HLM\Software\Microsoft\Windows\CurrentVersion\WindowsUpdate "Administrators Only" Error Message When You Attempt to Use the Windows Update Site
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q316524

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• HLM\Software\Microsoft\Windows\CurrentVersion\ZoneMap\Domains Problems Adding Top-Level Domains to Zone Sites List
  http://support.microsoft.com/default.aspx?scid=KB;EN-US;q259493