"The installer you are trying to use is corrupted or incomplete.
This could be the result od a damaged disk, a failed download or a virus.
You may want a contact the author of this installer to obtain a new copy.
It may be possible to skip this check using the /NCRC command line swich
(NOT RECOMMENDED)."
Jak sie z tym uporac? Bo jak proboje zainstalowac ta mini paczke to wszystko smiga

edit: po ostatnim usunieciu konnekta w celu reinstalowania mini paczka tez mi nie rusza ;(((