If you see a message similar to the one below when trying to install new software or when trying to run programs such as TeamViewer to allow remote access then follow the steps below to enable all apps to run correctly
On the message showing on your screen click "Change my app recommendation settings" as shown highlighted in red above
On the screen which then appears click the drop down arrow (as shown circled in red below) and make sure "Anywhere" is selected
Close Settings by clicking the X in the top right corner
You should now be able to run or install the program you were having problems installing initially