Motorola MC9190: enabler splash screen displayed for long time if task bar auto hide is setting

-Device Motorola MC9190G
-Enabler version 5.3.59
Description:
At system boot, task bar is setting "auto hide" via AutoHide.reg file located in \Application directory.
the file content is:
REGEDIT4

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shell\AutoHide]
@=dword:00000001

With this setting, the enabler splash screen is shown for 100 sec.
Without auto hide setting, the enabler splash screen is shown for 10 sec.

Any suggestions?

Thank you

Paolo