Deleting things on the desktop can delete things on the disk?

What can be deleted from the C drive -

Many people are unfamiliar with the folders in the C drive, and often ask if they can delete the contents or files inside. folder. To be honest, some files in the C drive can be deleted. Their existence does put a burden on the operating system, slow down the computer's operation, and take up space on the computer's hard disk. These unnecessary files can be cleared, but files of the computer operating system cannot be deleted at will. Once deleted, the computer will stop. Therefore, knowledge in this area is still very important. These things are now collected on the Internet and sorted and posted here for reference

by friends who need it. There is a lot of content. In order to make your phone run faster, you need to read it patiently. Just click it.

WINDOWS items in the C drive can be deleted

Introduction

Let’s take a look at the contents of the WINDOWS

folder and you will understand. If these folders do not exist in your system, leave them alone, as this is specific to various operating systems. Some folders are hidden folders and may need to be set up before you can see them. The setting steps are: open "My Computer" → click "Tools" in the top menu → click "Folder Options" that pops up below → click "View" above in the pop-up dialog box

→ Pull down the drop-down bar on the right and you will see an option "Hide protected operating system files (recommended)". Remove the "√" in front of it. After clicking it, a dialog box will pop up. Click " yes".

→ Click "Show all files and folders" under this option (just click once, it is a single option), → click "OK" below, and you will see All files on the computer are gone.

—system32 (stores Windows system files and hardware drivers)

—config (user configuration information and password information)

—systemprofile (system configuration information) , used to restore the system)

—drivers (used to store hardware driver files, not recommended to be deleted)

—spool (used to store system print files. Including printing colors, printing Pre-saved, etc.)

—wbem (stores WMI test programs, used to view and change public information model classes, instances and methods, etc. Do not delete)

—IME ( Used to store system input method files, similar to the IME folder under WINDOWS)

—CatRoot (computer startup test information directory, including hardware and software information detected when the computer starts)

—Com (used to store component service files)

—ReinstallBackups (driver backup for hardware in the computer)

—DllCache (used to store system cache files).

When system files are replaced, the file protection mechanism will copy the files in this folder to overwrite non-system files)

—GroupPolicy (Group Policy Folder)

—system (system folder, used to store system virtual device files)

—$NtUninstall$ (each time a patch is applied to the system, the system will automatically create such a directory, which can be deleted)

—security (system security folder, used to store important system data files)

—srchasst (search assistant folder, used to store system search assistant files, similar to the msagent folder)

—repair (system repair folder, used to store configuration files needed to repair the system)

—DownloadedProgram Files (downloaded program folder, used to store ActiveX and other plug-ins that extend IE functions)

—inf (used to store INF files. The most common application of INF files is to provide driver services for hardware devices. It is not recommended to delete the files)

—Help (Windows Help file )

—Config (system configuration folder, used to store some temporary configuration files of the system)

—msagent (Microsoft Assistant folder, used to store dynamic cartoon images to assist you Make better use of the system. If you feel it is not necessary, you can delete it directly)

—Cursors (mouse pointer folder)

—Media (sound folder, switch, etc. wav files) Stored here)

—Mui (multi-language package folder, used to store multi-language files. This folder is empty by default in Simplified Chinese systems, but it is not recommended to delete this folder)

—java (stores Java running components and their program files.

It is not recommended to delete the files)

—Web

—Wall***** (the folder where desktop wallpapers are stored)

—addins (system additional files folder, used to store files for additional system functions)

—ConnectionWizard (connection wizard folder, used to store files related to the "Internet Connection Wizard")

—DriverCache (driver cache Folder, used to store driver files for known hardware in the system)

—i386 (Known hardware driver files that come with the Windows operating system, can be deleted to save space)

— TEMP (system temporary folder, all contents can be deleted)

—twain_32 (scanner related)

—AppPatch (application patch backup folder, used to store application patch file)

—Debug (system debugging folder, used to store the log files of the debugging module during system operation)

—Resources (system resource folder, used to store the system SHELL resource files are the themes we see on the desktop)

—Themes (desktop themes are stored here, and useless themes can be deleted)

—WinSxS (stores various versions Windows XP components to reduce configuration problems caused by DLL files)—ime (input method information)

—PCHealth (used to store files that coordinate, configure, and manage the normal operation of the computer)

—HelpCtr (help and support)

—Binaries (our commonly used msconfig is here)

—Offline WebPages (offline browsing files are stored here)

—Prefetch (pre-read folder, used to store pre-read information of files that have been accessed by the system (this information is new information automatically generated by the system during access) to speed up file access. The extension is "PF". You can delete the files in this folder)

—ShellNew

—Fonts (Fonts folder. To install a certain font, just add the font file Just copy it to this directory)

—pss (used to back up the system startup configuration file, usually the three files "Boot.ini", "System.ini" and "Win.ini" Backup, with the extension "backup". If the original three files of the system are damaged, they can be restored from here. It is not recommended to delete them.)

—Registration (registration folder, used to store files for Related files registered by system COM+ or other components. It is not recommended to delete the files here)

—DownloadedInstallations (stores some installation programs using Windows Installer technology, mainly used to repair programs)

—Documentsand Settings

—DefaultUser

—ApplicationData (generic application data folder.

Data specific to some installed applications is stored here)

—Desktop

—Favorites (Favorites)

—NetHood (Network *** Shared Directory)

—MyDocuments (My Documents)

—PrintHood (Print Shared Directory)

—Recent (Recently Opened Documents)

—SendTo (right-click the mouse to send to)

—"Start" menu

—Templates (template folder, there may be template files for Word, Excel, etc. )

—LocalSettings

—ApplicationData

—Temp (temporary file directory. Temporary files generated during the operation of the system and software are stored here. Needs to be cleaned regularly)

—Temporary Internet Files (Temporary Internet folder. Needs to be cleaned regularly)

—All Users (all user folders, changes here are effective for all users)

—Administrator (the folder for the system administrator account)

—ProgramFiles

—Common Files (shared application files are stored here)

—Internet Explorer (IE browser)

—ComPlusApplications (configuration and tracking of COM components, usually empty)

—Windows Media Player (WINDOWS media player )

—WindowsUpdate (used for Windows upgrades, can be deleted)

—InstallShieldInstallation Information

—UninstallInformation (storage software uninstallation information, deletion may cause Some software cannot be uninstalled)

—wmpub (directory of windows media service)

—boot (folder of software such as one-click restore)

—Inetpub ( IIS folder)

—Downloads (Flashget default download folder)

—SystemVolume Information (system restore folder)

Debug folder: This is the system The debugging folder is used to store the log files of the debugging module during system operation, so that administrators can discover problems with the computer based on these log files. The "UserMode" folder stores the debugging log files of the current user.

ime

Folder: This is the input method folder, used to store the input method files installed by default on the system. The Windows operating system has embedded input methods from East Asian countries, such as Japanese, Korean, etc. It is theoretically possible to delete input methods for other languages ??that are not used, but this is not recommended because This may cause instability in the input method system and seriously affect the normal use of the Simplified Chinese input method. CHSIME: Simplified Chinese input method;

CHTIME: Traditional Chinese input method;

IMEJP: Japanese input method;

IMEJP98 : Japanese 98 input method;

IMJP8_1: Microsoft IME standard 2002 version 8.1 input method;

IMKR6_1: Korean (IME2002) version 6.1 input method;

SHARE: East Asian shared folder.

Fonts

Folder: This is the font folder, used to store font files that will be used by the system. The user's newly installed fonts will also be stored in this folder. Among them, there are many types of fonts in English, but the simplified Chinese font file only includes four types: imitation Song font, Hei font, Kai font, Song font and New Song font, that is, GB2312 in computer coding. Some of the less commonly used English fonts can be deleted.

Installer folder: This is used to store MSI files or temporary files required for program installation. MSI files are installation packages for Windows systems. Right-click the file and choose to install or uninstall the program from the right-click menu. Some programs must use MSI files when uninstalling, so it is not recommended to delete the files in this folder.

Description of important folders

system32 folder: This is a 32-bit system folder used to store important system files. At the same time, some applications will also use it during installation. The corresponding support files are copied to this folder, so deleting files or this folder in this folder is strongly discouraged. Since there are many files in this folder, only some representative files or folder descriptions are listed here.

① CatRoot: The directory used to store computer startup test information, including hardware and software information detected when the computer starts.

② Com: used to store component service files. Running its "comexp.msc" will open the component service console.

③ DllCache: used to store system cache files. When the original system files are replaced, the file protection mechanism will copy the backup system files in this folder to overwrite non-system files. You can use the "SFC /SCANNOW" command format to scan the system files, and then delete all files under them.

④ Drivers: Used to store hardware driver files. If you delete the files in it, the hardware will lose its driver and become ineffective.

⑤ IME: used to store system input method files, similar to the IME folder above.

⑥ oobe: used to store system activation information.

⑦ Restore: Used to store system restore files. Double-click to run the "rstrui.exe" file, and the system restore function will be called.

⑧ Setup: Used to store system installation files.

⑨ spool: used to store system print files. Including printing colors, printing pre-storage, etc.

⑩ wbem: used to store WMI test programs.

--Other answers for your reference---

Even if the program is installed on another drive, generally the program will still create its own series of registry on the C drive , just like giving birth to a child, picking up a name and registering for a household registration, and also installing some plug-ins on the C drive.

The C drive contains the registry that has not been deleted after uninstalling the program, invalid plug-ins, temporary files and caches generated when downloading software from the Internet, causing the computer to slow down. These things are difficult for even computer experts to delete manually. It is convenient to use optimization master software or junk removal software. Just follow the prompts and it will automatically list the things that need to be deleted. Just click "Delete".

1. Under Windows, all hidden files named starting and ending with $ can be deleted. Those are uninstall programs left behind by upgrading the system, which take up a lot of space and are of no use.

2. You can directly delete the contents in the following folders: (Note: The "user name" below refers to the name you used during installation. If it is installed automatically, the user name is "Administrator". In addition, there are some The file cannot be deleted. It says that it is a system protected file or that a certain program is being used or is write-protected. Ignore it. If it cannot be deleted, just let it go.

)

C: All files under the Documents and Settings username s (only the last index file is retained)

C: All files under the Documents and Settings username Local Settings\Temp (User temporary files)

C: All files (page files) under the Documents and Settings username LocalSettings\TemporaryInternetFiles

C: Documents and Settings under the username Local Settings\History All files (history records, if you use someone else’s computer and don’t want to leave records, deleting this stuff is also a good way.)

C: Documents and Settings All files under the user name Recent (recent Shortcut to browse files)

C: All files under WINDOWS Temp (temporary files)

C: WINDOWS Service PackFiles (backup files after upgrading sp1 or sp2)

C: Compressed files under WINDOWSDriver Cachei386 (driver backup files)

C: All files under WINDOWS SoftwareDistributiondownload

3. If the system has been updated by windoes To upgrade, delete the following files:

C: Hidden files starting with $u... under Windows

4. Then defragment the disk, please exit everything during the defragmentation process Running program

5. After defragmentation, open "Start" - "Programs" - "Accessories" - "System Tools" - "System Restore" - "Create a restore point" (it is best to use the The date is used as the name of the restore point)

6. Open "My Computer" - right-click the system disk - "Properties" - "Disk Cleanup" - "Other Options" - click in the System Restore column "Clean"-select "Yes"-ok

7. After the various software and hardware are properly installed, XP actually rarely needs to update files. Delete the system backup file: Start → Run → sfc.exe /purgecache nearly 3xxM. (The function of this command is to immediately clear the "Windows File Protection" file cache and release the space it occupies)

8. Delete the dll file under windowssystem32dllcache (minus 200-300mb), this It is a backup dll file. As long as you have copied the installation file, you can do this.

9. XP will automatically back up the hardware driver. However, after the hardware driver is installed correctly, it is generally unlikely to change the hardware, so you can also consider deleting this backup. The file is located in the windowsdriver cachei386 directory. Next, the name is driver.cab, you can delete it directly. Usually this file is 74M.

10.

Delete unused input methods: For many netizens, not all the input methods that come with the Windows XPt system are suitable for their use, such as IMJP8_1 Japanese input method , IMKR6_1

Korean input method, if these input methods are not used, we can delete them. The input method is located in the windowsime folder, all occupying 88M of space.

11. After the upgrade is completed, it is found that Windows has many more directories similar to $NtUninstallQ311889$. Get rid of them all.

12.

Turn off System Restore: When the System Restore function is used for a long time, it will take up a lot of hard disk space. Therefore, it is necessary to set it manually to reduce the hard disk usage. Open the "System Properties" dialog box, select the "System Restore" option, and select the "Turn off System Restore on all drives" checkbox to turn off System Restore. You can also restore only the disk or partition where the system is located. First select the partition where the system is located, click the "Configure" button, cancel the "Turn off system restore for this drive" option in the pop-up dialog box, and set the amount of disk space used for system restore. .

13. The hibernation function will take up a lot of hard disk space. If you use it sparingly, you might as well turn off the ***. The method to turn it off is: open the "Control Panel", double-click "Power Options", and in the pop-up In the "Power Options Properties" dialog box, select the "Hibernation" tab and clear the "Enable Hibernation" checkbox.

14.

Uninstall uncommon components: XP installs some system components for the operating system by default, and a large part of these components are impossible for you to use. You can Uninstall them

in "Add/Remove Windows Components". But some of the components are hidden by XP by default, and they cannot be found in "Add/Remove Windows

Components". You can do this: Use Notepad to open the windowsinfsysoc.inf file, and use Search /The replacement function replaces all "hide" characters

in the file with empty spaces. In this way, the hidden attributes of all components are removed. After saving and exiting, run "Add-Remove Programs", and you will see many more options that you could not see before, and remove those components that you do not need

Delete (remember to save as sysoc.inf when saving, not the default sysoc.txt), such as Internat messenger service, fax service, Windows

messenger, code table, etc. , which can free up approximately 50MB of space.

15. Clear system temporary files: System temporary files are generally stored in two locations: one

The Temp folder in the Windows installation directory; the other is C: Documents and Settings"Username Y"Local Settings

temp folder (Y: is the partition where the system is located). Files in both locations can be deleted directly.

16. Clear temporary Internet files: Regularly deleting a large number of temporary Internet files generated when surfing the Internet will save a lot of hard disk space. Open the IE browser, select "Internet Options" from the "Tools" menu, select the "General" tab in the pop-up dialog box, and click "Delete Files" in the "Temporary Internet Files" column " button, and in the pop-up "Delete Files" dialog box, select the "Delete all offline content" check box, and click the "OK" button.

17.

Clear pre-read files: Windows

Although XP’s pre-read settings can improve system speed, after using it for a period of time, the pre-read folder will The number of files in it will become quite large, causing the system search to take longer. Moreover, some applications will generate

dead link files, which will increase the burden of system search. Therefore, these read-ahead files should be deleted regularly. Prefetch files are stored in the Prefetch folder of the Windows

XP system folder, and all files in this folder can be deleted.

For the sake of safety, it is recommended that you install "Optimization Master", which can be downloaded from the Internet.

It is free. After installation, it is safer to use it for system optimization. In addition, there are many things to optimize your system, which will be of great help to you. You can also delete all temporary files under C: WINDOWS

Temp from the C drive. It is every time you run The software is saved and will be saved next time you run it, so it is useless.