Win10 failed to copy files with error 0x80070522: The client does not have the required privileges

Problem description: Windows10 cannot copy files to C drive, and an error is reported.

Phenomenon: Win10 fails to copy files and prompts "Error 0x80070522: The client does not have the required privileges"

Examples:

Solution: 1. First enter the safe mode of Win10. After entering the safe mode, click the right mouse button on the start menu and select [Command Prompt (Administrator)];

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2. In the command prompt box, type: icacls c:\ /setintegritylevel M and press Enter;

3. Then wait patiently for about 1 minute and wait for the prompt "a file has been successfully processed" to solve the problem!

Pro test is available.