If you're getting Your Administrator Has Blocked This Program error message, the problem might be that your current account doesn't have the necessary privileges to install applications. Expert Tip: Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files.
How do I unblock a program that is blocked by administrator?
Step 1: Right-click on the file and select Properties. Step 2: In the General tab, check "Unblock" under "Security". Step 3: Click Apply and then Ok.