TweakUiPowertoySetup.exe installer is not working on my computer

Hello,
The TweakUiPowertoySetup.exe installer is not working on my computer. Was this GetDirectoryDllW procedure added to kernel32.dll in the SP1? How can I fix it? Any idea would be greatly appreciated. Thanks in advance.

TweakUiPowertoySetup.exe – Entry Point Not Found
The procedure entry point GetDllDirectoryW could not be located in the dynamic link library KERNEL32.dll.
OK
