Hotfix 3 added. Sorry for this. Had a bug with finished page (it has shown welcome page instead of finish page - fixed)
Plus fixed arc.ini for pzlib
@Ghost: Search for
Code:
if CurPageID = wpInstalling then begin
WizardForm.ClientWidth := (497);
WizardForm.ClientHeight := (115);
Just disable/remove ClientWidth/ClientHeight.
But you have to adjust buttons and labels again for new size.