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#1
You don't have another PC on your network called Ruud-PC by any chance?
It's unfortunate that many software developers spend little time thinking about error messages. Those messages should not just report that an error has occurred. They should help point to a solution.
The name of the PC was not invalid; it was already in use. And the code must of had some hint of that.
Unfortunately there sometimes is only so much room for each error message so including a fix might not be possible.
True, but even a short message that just mentions an error code that can be looked up would be better than a message that is misleading. I'm sure people would complain if they had to look up an error code, but they probably are going to look up the message anyway (and even post a question on a forum) if the message is misleading.