can't not supported Win10 17134.81

Which version of 7+ Taskbar Tweaker are you using?

What is your Windows build number?

You're either using an old version of the tweaker, or an insider Windows 10 build.

Thank you for your reply ,SORRY I didn't choose auto update，and I just updated it form v4.4 to v4.5 after visited your personal website. Thank you for your contribution and wish you a happy life!  :)

Which version of 7+ Taskbar Tweaker are you using?

Also, please post the exact text of the error message, including the error code number.