Question error when installing program

[Nigel94]

I am getting this error when i try to execute a program

"Windows cannot access the specified evice, path or file. You may not have the appropriate permssions to access the item."

 

[USAFRet]

I am getting this error when i try to execute a program

"Windows cannot access the specified evice, path or file. You may not have the appropriate permssions to access the item."

Obviously, we need a lot more detail on this.

Full parts list of your system
What application are you trying to install?
Where did it come from?
What drive are you installing it on? Size/make/model.
How full is it?
Does any other application install fail?