1. Cause analysis (Windows version)
1. There are related files running
Files that cannot be deleted are mostly due to related programs running. Of course, this may be caused by a computer virus, or it may be that some software running files are associated with certain system files. For example, USB that cannot be removed, cache files that cannot be deleted, certain files of software (especially anti-virus software) and certain system files (...system files are mostly write-protected or associated with other files).
2. Insufficient management rights
In the latest systems of Windows, such as Vista, Windows 7 or other server versions, the requirements for file operation permissions are very high - this is beneficial to system security. Therefore, due to permission reasons, many more system-related files cannot be deleted without certain permissions.
3. Disk damaged
It is rare that the disk is bad. Users can try to run a disk scan and then delete it.
2. Solution (Windows version)
1. System adjustment plan
For deletion operations that prompt that there is no permission, the solution is to select a higher administrator account to perform the operation.
To delete other types of files, please refer to the following methods:
Restart the system to perform the deletion operation;
Restart the system and enter the system safe mode to perform the deletion operation;
If the prompt "Access Denied Please make sure the disk is not full or protected" is prompted under XP system, please try to end the Explorer.exe process, then run Explorer.exe again, try to delete the file again, or remove the USB.
It is rare that the disk is bad. Users can try to run a disk scan and then delete it.
Some anti-virus software or firewalls will hang some software files during monitoring, making it impossible to delete them. Users can try to stop anti-virus monitoring and then delete them.
Some files are caused by abnormal shutdown of certain software. You can try restarting the program and then deleting them.
2. Software solutions
Some software, such as the compression software WinRar or Winzip, provide deletion operations such as "delete after compression" when operating files. Users can try it.
The author recommends several deletion aids that are currently commonly used on the Internet:
Unlocker
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Unlocker is a free right-click extension tool. After the user installs it, it can be integrated into the right-click operation. When the user finds that a file or directory cannot be deleted, he only needs to press "Unlocker" in the right-click button of the mouse. , then the program will immediately display which programs occupy the directory or file, and then just press "Unlock" in the pop-up window to unblock your file.
What makes Unlocker different from other unlocking software is that it does not force close the programs that occupy files, but unlocks the files by removing the correlation between the files and the programs. Therefore, unlike other unlocking programs, the user will not be forced to close the program and cause the possibility of of data is lost.
Freeraser – desktop incinerator (use with caution)
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General file deletion operations (after emptying the Recycle Bin) can be recovered using specific software, but Freeraser performs multiple read and write operations on the disk location where the file is located to achieve the purpose of data recovery that cannot be restored using recovery software.
File Pulverizer (there are many similar software for file shredders, Winhex is commonly used for file deletion on mobile phones)
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The most convenient and powerful tool for complete file deletion. Currently, there are many tools for completely deleting files. Their functions are basically the same, and the effect of deleting files is not good to say. In fact, the development of this type of software is no longer a technical matter of deleting files, but a matter of ease of use. The file shredder is closely integrated with the operating system. It supports directly selecting files or folders for deletion from the right-click menu in the resource manager. It supports dragging files and folders directly to the main interface. You can conveniently delete your files without even starting it. and folders, as easy as using the Windows delete command.
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