Screen Updating starts before asked to do so in procedure

Hi,

I have many macros that run during Workbook_Open.
If I am NOT ready to Add Progress Bar process macro, I have a sheet with message stating "Wait Till This Message Disappears" to user.

I .select this sheet at the beginning of the macro BEFORE running the line code "Application.ScreenUpdating =false"
But when the Workbook_Open macro runs the sheet doesn't show as it should during the run process.
If I step through it, it does like as it should.

My code:

Private Sub Workbook_Open()

Application.Run "Show_FileLoadMessage"  'Select the Sheet with Message

Application.ScreenUpdating = False

'Run Multiple Macros  (fyi: None of which "De-selects or selects another sheet")

Application.ScreenUpdating = True

Application.Run "Hide_FileLoadMessage"  'Hide Sheet with Message

Sheets("Main Menu").Select

end sub

After macro is run the sheet "Main Menu" shows like it should.
But sheet with message doesn't show before screen updating is set to false

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