Windows Hibernation – unexpected error (0x65b)

USB DriverThe Windows hibernation, unexpected error (0x65b) is mainly because you don’t have access to turn off the file. Most times you want to save space as your hard driver is full. In order to get around this if you don’t use hibernation on your computer then you can turn off hibernation and save about 3GB of space on your “C” drive which is normally your main drive. Below you will see how to turnoff the hibernation without an error.

Windows Hibernation – unexpected error (0x65b)

The “unexpected error (0x65b)” is a code that may surface due to various factors, often associated with system settings or irregular entries in system elements. One common scenario leading to this error involves attempts to disable hibernation on a Windows system. When executing the command “powercfg.exe -h off” in a non-elevated command prompt or under a user who lacks Administrator privileges, encountering this error is likely. To circumvent this issue, it is advisable to run the command prompt as an Administrator. See also the WD SES Error Code 28 and Samsung USB Driver not installing.

Another situation where this error may manifest is in the event of a driver installation failure. The error message, “DIFXAPP: ERROR: The driver installation failed. Attempting to undo system changes… (Error code 0x65B: Function failed during execution),” might be displayed. This occurrence underscores the importance of addressing potential issues during driver installations.

It’s crucial to note that the specific cause and solution for the “unexpected error (0x65b)” can vary depending on the context in which it occurs. For instance, additional details about the situation, such as the specific system configuration or software involved, could be instrumental in pinpointing the root cause. If users encounter this error, providing more comprehensive information will enable a more accurate diagnosis and solution. See other errors on here as well, such as the Windows Media Creation Tool error as well as the Prolific USB Error Code 39 and the WD SES Error Code 31.

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If you are trying to get rid of the hiberfil.sys file, with no luck then this is how to to turn off the file. Most will be receiving this error when they try and use the powercfg.exe -h off command with nothing changing. The error will normally look as follows:

C:\Users\Cogni>powercfg.exe -h off

Unable to perform operation. An unexpected error (0x65b) has
occurred: Function failed during execution.

Some have tried turning off hybrid sleep in their control panel and then rebooting only to find that it does not work. The error then shows. Below is what has been tried as solution one.

Windows Hibernation - unexpected error (0x65b)

This normally does not work as there is still a problem with the administrator privileges that you cant turn it off. The error does not tell you this. Below is how to do it correctly under Windows 10. You do not need to restart the system either as it will show the extra space immediately. See also the Sony MTP USB Driver.

unexpected error (0x65b)


  • Type in command in the Windows Taskbar
  • Click on Run as Administrator
  • The Command prompt then opens
  • Now type in the following line  powercfg.exe -h off
  • The system will now delete the file as you have administrator privileges.
  • Check your hard driver space as it will not show about 3GB of additional space
  • You can turn on the file again if you want instead of OFF type in |ON

See also other problems such as no internet time tab windows 10 as well as other Windows 10 settings issues. There are a number of small irritating issues on the Windows 10 platform that does not give you an understandable error. See also look at the  GPIB to GPIB when it comes to computers as well as SSD problems when dealing with cable. You will note that these cables are also sued for UART hardware by industry. The ft232rl driver is the most common one.

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