Error "Failed to create snapshot" when backing up the system on Windows 11 (v5.2.2.2)

[admin]

Hi everyone,
I'm using Hasleo Backup Suite version 5.2.2.2 on Windows 11 Pro 64-bit. When I try to perform a System Backup, the process always stops with the following error message:

Code:

Failed to create snapshot. 
Error code: 0x00000020

I've tried running the program as Administrator, disabling Windows Defender and other antivirus software, but the error persists. My system drive uses GPT format; I've already checked it with chkdsk — no errors found.
Has anyone encountered this error before or knows how to fix it? I need to back up the entire system before upgrading my hardware.
Thanks in advance.

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