How to delete junk files

1. Delete temporary files generated by the system
The garbage generated during Windows Installation and use includes temporary files (for example *. TMP ,*. _ MP, etc.), temporary backup files (such *. bak ,*. old ,*. and temporary help files (*. GID), disk check data files (*. chk) and *. dir ,*. DMP ,*. other temporary files such as NCH. You can use the system's "Search" function to find and delete these "spam" from the hard disk. Method: Right-click these files and choose delete from the shortcut menu. The temporary Folders "C:/Temp" and "c:/Windows/Temp" are also breeding grounds for "garbage". They store temporary files and can be deleted with caution.
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2. Delete infrequently used files
In the control panel, go to the Add/delete programs window, and delete unnecessary program components in the add or delete Windows Components option, 6. Some program files in the system can also be deleted, such as in the "C:/winnt/driver Cache/i386" Directory of Windows 2000, there is a file named "driver. cab, which is a hardware device driver package built into the system. A file named "user. dmp" May cause frequent computer errors and be of little use. You can also delete the file. The methods for deleting these infrequently used files are as follows.

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3. Delete the "System Restore" folder
Although "System Restoration" of Windows ME/XP improves the security of the system, with the constant installation of software and the creation of "Restore origin", the restoring backup folder (_ Restor) will become larger and larger, A large amount of hard disk space is wasted. Restore the backup folder to delete it by using the following methods: snapshot). Go to "HKEY_LOCAL_MACHINE/system/currentcontroset/services/VxD" layer by layer. Find the primary key of vxdmon and delete it all, after restarting, you can delete the large "junk" file "_ Restor,
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4. Clear the junk information of some running records
① Clear the program name in the "run" list
When using the "Start/Run" command in windows, we will find many commands in the "open" box, which are not all required by us, some information is easy to expose personal information. To delete the spam here, expand HKEY-CURRENT-USER/software/Microsoft/Windows/CurrentVersion/Explorer/runmru in the Registry Editor ". The information in the "run" drop-down list is displayed on the right of the Registry. to delete a project, right-click the project name and select "delete, do not delete the row where "default" and "mrulist" are located.

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② Clear the file name in the Document menu
Select [start] → [settings] → [taskbar and Start Menu] to open the "Taskbar properties" dialog box. In the dialog box, select the "Start Menu program" tab and click the "clear" button to clear all the content in the "document" list.
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③ Delete the startup configuration file
In Windows, system startup configuration files such as "autoexec. Bat" and "config. sys" are basically useless. You can also delete them. If you do not want to delete these files, but want to make the system clean and start faster, you 'd better use NotePad to open these two files and clear the content.
④ Delete the residual information in the playback record of Windows Media Player
After a long time, you will find that the playback drop-down box of Windows Media Player lists the files that have been played. Some information is useless and the playback list is full. To delete useless information, open the Registry Editor and find "HKEY_CURRENT_USER/software/Microsoft/mediaplayer/player/recentfilelist". The playback record is displayed in the window on the right, clear all these keys to clear the playback records.
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In the same way, we can also delete the spam information of the playlist in RealPlayer and the list of ACDSee views.
5. delete the files left after the software is uninstalled.
① Delete the software installation folder
Find and right-click the shortcut of the software, select properties, and click "Find target" on the General tab to quickly find the installation directory of the software, such as "C: /program files/Kuro/kuro.exe ", then find" C:/program files/Kuro "in resource manager, and delete it.

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② Delete junk information in "Add/delete programs"
You can use "Add/delete programs" in the "control panel" to uninstall an application. However, after uninstalling the application, the application is still in the list. Delete method: Open Registry Editor and expand "HKEY_LOCAL_MACHINE/softwaremicrosoft/Windows/CurrentVersion/uninstall". All projects in "Add/delete programs" are displayed on the right of the screen, select a junk Information Project, right-click the value, and select the "delete" command in the pop-up menu,
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③ Cancel auto-start upon startup
If the software to be deleted is started with Windows Startup, run msconfig in Windows 98/XP, start the System Configuration tool, and click the launch tag, check whether the "C:/program files/Kuro/kuro.exe" link exists. If yes, cancel the link. In Windows 2000, you can also copy the file from Windows 98 or Windows XP to the Windows NT directory,
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④ Delete file association items
In resource manager, select the "file type" tab under "tools/Folder Options" and find the file type associated with "C:/program files/Kuro/kuro.exe, then press del to delete,
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⑤ Open the registry and find the software-related keys
Open the registry and use the search function to search for software-related key values in the registry, locate and delete multiple key values, and you can continue searching with the F3 shortcut key, until all projects are deleted,
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⑥ Use professional spam Software
"Fileclear" is a free green tool with a size of 335kb.
You can use it directly after downloading it without installation,
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The interface of this tool is quite simple and runs fast. It has the following features: "scanning" can find all junk files on the hard disk that match the spam file extension and list them one by one, select whether to delete the selected junk files; "backup" can back up the selected junk files to the C:/backdel directory, and there is also an hjl. BAT file, double-click it to restore the backup file to the original directory; "add type" can be added to the extension of the junk file you think is, note the form should be consistent with the table listed; files in the temporary directory refer to junk files in C:/Windows/temp, which can be safely deleted. cached files on the Internet refer to a large number of temporary files generated on the Internet, generally, it becomes a junk file after the network is down and can be deleted.
Deleting temporary files generated by surfing the Internet will also produce a lot of "junk", including the history of surfing the Internet, temporary cache files, cookies, such as the website address, user name, password, personal data, and identity.
① Clear historical records
To clear a file, go to the "Control Panel> Internet Options" dialog box and click "delete file" and "Clear history" on the "General" page, you can also delete the content in the "Temporary Internet Files" folder in Windows to clear the garbage. In addition, some temporary files will be generated when accessing the internet, and they will be deleted in the C:/Windows/TEMP directory.
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② Delete the address bar list record
In the drop-down list box in the address bar, there will be site records that have been visited. You can modify the Registry to delete the content you do not want. Open "Regedit" in the "Start" menu "run" command to open the registry and expand "HKEY_CURRENT_USER/software/Microsoft/internetexplorer/typedurls" in sequence ", all the subkeys under this key are historical site records. Find the site records you do not want and delete the records,
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③ Delete junk information from the right-click menu
There is a new source code that adds your website name in the right-click menu. When you right-click it, it will appear in the pop-up menu, although it does not affect usage, however, the long right-click menu is also unsightly. The solution is to open the Registry Editor and find "HKEY_CURRENT_USER/software/Microsoft/internetexplorer/menuext" to delete the annoying URLs. Right-click the URLs and the names of those websites will no longer appear.
④ Use 3721 netassistant (not recommended)
With "netassistant", we can delete temporary files and other unnecessary files left after the system runs for a period of time, saving disk space and improving the running speed, you can http://assistant.3721.com in the address bar /? Type = clean. Enter the netassistant page.
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"Internet Assistant" can implement the privacy protection function, it can help us clear the web page information (including the address bar URL, temporary files, history, user name you have entered, password or search keyword, etc.) left by the Internet ). This function can also be used to clear recently used document records in the "Start Menu" and information generated when accessing "Network neighbors.