If you're seeing a “Failed to show RSWho” error when trying use RSLinx Classic, it's likely a recent Microsoft Windows 10, 8, or 7 update is the cause.
And while you could remove the offending update, it's better to install the fix from Microsoft, which is what I'll show you how to do in today's article.
Step 01) The first step is to find which version of Windows you have, as well as which Windows updates are installed.
NOTE: If you need help with either, see my previous article HERE.
Step 04) That link will take me to the Microsoft page for the update as shown below:
NOTE: This assumes you don't want to install all pending Windows updates by running Windows update on your PC, as doing so would likely include the required update.
Step 06) If prompted, click on Install:
Step 10) Now select Download:
If you'd like to watch a video of the above procedure, check out Episode 28 of The Automation Minute Season 4, below:
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