Este un fisier ".msi" care este corupt si din cauza aceea face asa
http://www.microsoft.com/en-us/download/details.aspx?id=25
daca nu reusesti cu asta mai incerca si cu astalalta metoda
1 Click Start, click Run, type cmd in the Open text box, and then click OK.
2 Type cd %windir%\system32, and then press ENTER.
3 Type attrib -r -s -h dllcache, and then press ENTER.
daca nu stii sa faci cautama pe mess:itsoft_2011 sau skype:adryano2411
This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows Installer package.