Installation or upgrading Sage could be considered a simple job. Click install. Wait a few minutes. Start working.
This is the way it's supposed to go.
In real-world offices it is not often that seamlessly. There is a moment when something gets stuck. The error message makes no sense. In the worst case, sage 50 support installs flawlessly, but it fails to open correctly following that.
Most people don't screw all of their work up. The majority of issues stem from tiny things that nobody tells you about.
Let's dissect this in simple terms.
Sage isn't an application that you install and forget.