When installing software it tells me my system has not been modified

[nasty2011]

Hello, I am trying to install some software and I get a message that my system has not been modified

 

[ksiemb]

Hello, I am trying to install some software and I get a message that my system has not been modified

Software in general, or something specific ? Is that the exact error message ?

 

[nasty2011]

Software in general, or something specific ? Is that the exact error message ?

Tried installing Rosetta Stone and got a message that my system is not modified