Registry Modification guide (1)

1. Increase the sub-menu speed
Bit: HKEY_CURRENT_USER \ Control Panel \ Desktop
Key Value Name: Menushowdelay
Double-click Menushowdelay. The edit window for this key value is displayed. Enter "0" in the text input box and click "OK. Note that, in the default menu pop-up effect of the system, the menu pop-up speed is not easy to feel. In this case, click the "properties" command on the desktop to bring up the "Display Properties" window, under the "effect" tab, change "fade in and fade out effect" under "animation display menu and tooltip" to "scroll effect ".
2. Automatically refresh the window content
Bit: HKEY_LOCAL_MACHINE \ System \ Currentcontrolset \ Control \ Update
Key Value Name: UpdateMode
Value: 0, 1
If the "UpdateMode" key value is 0, it is set to automatic refresh,
If the "UpdateMode" key value is 1, it is set to manual refresh;
This means to press the F5 key in the resource manager window or select the refresh command in the View menu.
3. Remove upgrade
Bitwise: HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ Explorer
Key Value: NoCommonGroups
Value: 1 is hidden and 0 is displayed.
4. Remove "document"
Bitwise: HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ Explorer
Key Value: NoRecentDocsMenu
Value: 1 is hidden and 0 is displayed.
5. automatically clear the "document"
Bitwise: HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ Explorer
Key Value: ClearRecentDocsOnExit
Value: 1 indicates automatic cleanup, and 0 indicates not automatic cleanup.
6. Lock the "document"
Bitwise: HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ Explorer
Key Value: NoRecentDocsHistory
Value: 1 is locked, 0 is not locked
7. Shorten the "new" option
When you right-click the blank area of the resource manager and select the new menu, the menu for creating multiple program files will pop up, but some of them may not be commonly used, for example, now I want to remove the "Wave Sound" project from the menu to shorten the menu. Open the registry, select to view the search items, enter "shellnew", and select the "full match" option; search for it under HKEY_LOCAL_MACHINE and HKEY_LOCAL_ROOT, find the shellnew sub-key and delete it.
8. Clear the color scheme
Bit: HKEY_CURRENT_USER \ Control Panel \ Appearance \ Schemes
First, find the sub-key, and various color schemes that come with the system will appear on the right side of the window. Delete the color schemes that you think are useless. Generally, only the "Windows Default" item will be retained. Then, open "display" in the "control panel" window, click the "appearance" tab in the "Display Properties" window, and view it in the "window color scheme" drop-down list.
9. Modify the desktop icon
For example, to modify the "recycle bin" Name and icon on the Windows desktop, perform the following steps.
Bit: HKEY_CLASSES_ROOT \ CLSID \ {645FF040-5081-101B-9F08-00AA002F954E}
Open the Registry Editor first, find the primary key based on the position provided above, double-click "recycle bin" on the right of the window, and the string editor is displayed. In the text input box, change "recycle bin" to "garbage bin". After the machine is restarted, the recycle bin on the desktop becomes a garbage bin, but the icon remains unchanged! Click "+" in front of {645FF040-5081-101B-9F08-00AA002F954E}, expand the primary key, and there is a subkey DefaultIcon under it. Click this subkey. In the "data" column in the right pane, three icon file names are displayed: "$ # @ 60; not named $2; "," Full ")," Empty "Empty) Recycle Bin icons, these three icons are included in the dynamic link library Shell32.dll file, the serial numbers of ICON resources are 31, 31, and 32 respectively. The data format is "C: \ Windows \ System \ Shell32.dll, 31 ". You can use this format to call the ICON resources in the dynamic link library !). If you want to change it to your own icon, you only need to change the data to your own icon or dynamic link library. For example, use the icon file "C: \ Windows \ help. ico ", and then restart the machine to see that the icon of the recycle bin is changed. You can use the same method to modify other icons and text on the desktop.
10. Delete the system"
When you want to delete icons such as "recycle bin" and "Internet Explorer" on the desktop, you will find that they cannot be deleted in the normal way. You can also modify the registry.
Bitwise: HKEY_LOCAL _ MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Desktop \ NameSpace has multiple subkeys under this branch, these subkeys correspond to the "System" icon on the desktop, which is displayed on the right of the window. Delete unnecessary icons, that is, the corresponding key value. After restarting, you will see some icons on the desktop disappear!
11. disable the system version number.
Bit: HKEY_CURRENT_USER \ Control Panel \ desktop
Key Value: PaintDesktopVersion
Value: 0 is hidden, and 1 is displayed.
Note: it shows your Windows version in the lower-right corner of the desktop. If you are using a test version, you can remove the text in the lower-right corner of the desktop.
12 hide the specified drive
Bitwise: HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ Explorer
Key Value: NoDrives
Take the value: It should be noted that here we use the Npower of 2 to represent A drive name, rather than an unusual A, B, C, D ......, The correspondence between the drive names and the Npower of 2 is given below to facilitate readers: A: 1, B: 2, C: 4, D: 8, E: 16, F: 32, G: 64, H: 128, I: 256, J: 512, K: 1024, L: 2048, M: 4096, N: 8192,163 84, P: 32768, q: 65536, R: 131072, S: 262144, T: 524288, U: 1048576, V: 2097152, W: 4194304, X: 8388608, Y: 16777216, Z: 33554432 follow the preceding values. If you want to hide drive A, drive B, and drive C, enter 7, because 7 = 1 + 2 + 4. If you want to hide all the drives, enter 67108863.
13. Modify "recycle bin"
Bit: HKEY_CLASSES_ROOT \ CLSID \ {645FF040-5081-101B-9F08-00AA002F954E} \ ShellFolder
Key Value: Attributes
Value: 40 01 00 20, 70 01 00 20
Note: The default value is 40 01 00 20. After you change it to 70 01 00 20, you can change the "recycle bin" on the desktop to a file in the resource manager, can be renamed or deleted at will.
14. Modify the Desktop
Slot: HKEY_CURRENT_USER \ ControlPanel \ desktop
Description: Open the Registry Editor and open the branch. In the right pane of the branch, you can see some projects. The following describes several items: HungAppTimeout: the time when an application tries to wait for a response when an error occurs. The value is millisecond, the default value is 5000 milliseconds (that is, 5 seconds), which can be reduced to 3000 milliseconds to speed up system response. MenuShowDelay, that is, wait 0.1 seconds and the system will see as mentioned above ). ScreenSaveActive: whether the screen protection function is available now. If the value is 0 or 1, screen protection is not needed. If the value is 1, screen protection is available, but you must have already used screen protection. ScreenSaveTimeOut: the latency of Screen Protection. The value type is a value. The Unit is seconds and the minimum value is 60 seconds, but you must have used the screen protection function. If you change the value to 1, the Screen Protection Starts every pause for 1 second. WaitToKillAppTimeout: After you press Crtl + Alt + Del, the "close program" dialog box appears, indicating that the "End Task" and "wait" dialog box appears, the Unit is millisecond and the default value is 10000. This reduces the waiting time.
15. Custom button color
Although Windows can define multiple window display schemes in appearance, it is powerless to define the color of a certain part, for example, to change the font of a black button to another color! You can easily modify the registry. Find the HKEY_CURRENT_USER \ Control Panel \ Colors sub-key in the registry, then, change the "Bottontext" key value on the right of the window from "0 0 0" to "255 0 0", which indicates red ).
Add spaces after 16 Chinese Characters
Bitwise: HKEY_CURRENT_USERS \ Software \ Microsoft \ Windows \ CurrentVersion
Key Value Name: insert Space
Value: 0. No space is inserted. 1. No space is inserted.
17 use the Enter key
Bitwise: HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion Key Value Name:
Value: 0. The original function is retained. The input method is not processed. The value 1 is equivalent to the Esc key. It is used to clear the input state of the current external code. Description: If the value is 1, if there is a candidate window, the input window is automatically hidden. All external codes are cleared, but the external code input window is not hidden. When there is no candidate window, clear the external code and hide the external code input window.
18 use the Space key
Bitwise: HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion Key Value Name:
Value: 0 indicates that this is used as the flag key for the end code input. This setting is applicable to the form code, and 1 indicates that this is used as the candidate selection key. This setting is suitable for audio codes.
19. System Time Format
Bit: HKEY_CURRENT_USER \ ControlPanel \ International key value: sTimeFormat
Value Options: H: mm: ss and HHmm
Note: In general, Windows uses the "" time format in the taskbar to display the time, but you can modify the Registry Editor to change the time format.
20. Change logon background
Slot: HKEY_USERS \. DEFAULT \ Control Panel \ Desktop

21. Modify the registration code
Bit: HKEY_LOCALMACHINE \ Software \ Microsoft \ Windows \ CurrentVersion
Key Value Name: ProductId
Value: any character
22. garbled characters in the software
The solution is to find the position of HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Control \ fontassoc \ Associated CharSet in the registry, and set "SYMBOL (02)" on the right of the window) "Key Value: This is the internal code of the system.) change to" NO.
23 Delete software debris
Every user in a Windows operating system may have such experiences. for various reasons, a folder is directly deleted from the hard disk, or some software is not installed in "Add/delete programs. However, some programs still have registration information in the registry. When You unmount the program from "Add/delete programs" again, the system always prompts "An error occurred while trying to delete XXXXXX and stops uninstalling ", as a result, the uninstall program is incorrect. After a large amount of software is installed on the machine, the system generates garbage in the Registry, which affects the running speed of the machine. The following describes how to completely clear the garbage. Use the Registry Editor to clear the HKEY_LOCAL_MACHINE \ Software \ Microsoft \ Windows \ CurrentVersion \ Uninstall location for uninstalling the application in the registry, generally, the software contains the "DisplayName" and "UninstallString" key values in the anti-installation sub-keys of the Registry, the first shows the software name and the second shows information about the reverse installation. After double-clicking the second key value, you will understand what is going on with the anti-installation program. In fact, the anti-installation program comes with your installed software. When installing the software, it records some installation information and stores it on its own. Install. in the log file, use this uninstallation program when uninstalling and then attach it. log File parameters. In addition, some software is used for reverse installation. Another example is that many applications still leave useless information in the Registry file after they are uninstalled. HKEY_LOCAL_MACHINE \ Software, HKEY_CURRENT_USER \ Software, and HKEY_USERS \. Default \ Software. The content in these items is basically the same, and you can find and delete one of them. The common method is to enter the HKEY_LOCAL_MACHINE \ Software branch, and then focus on finding the residual information of the Software that has been safely uninstalled, and delete it after confirmation.
24. Restore the CD Key
If you accidentally lose the Windows CDKey, you may have trouble installing the system later. How can I retrieve it? You can find the CDKey in the NT Registry. Open the registry, and find the "HKEY_LOCAL_MACHINE \ SOFTWARE \ Microso WindowsNT \ CurrentVersion" location. The ProductId key value on the right contains the CDKey information. In addition, if the NT you are using is an OEM version, it is possible that the entire ProductId string value is CDKey!
25 add logon information
Because you need to modify the NT Registry to add such a function, please be careful and back up the data. First, find the HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ WindowsNT \ CurrentVersion \ Winlogon sub-key in the registry, and find the "LegalNoticeCaption" and "LegalNoticeText" key values on the right of the window. If not, add these two key values. Then, enter "this is my server" and "Welcome!" in the two key values !". Close the registry and restart the machine. This time, you will see a new window that contains the information you entered above before the logon window.