Hi Anthony. I'm Greg, an installation specialist, 10 year Windows MVP, and Volunteer Moderator. If you will work with me I will be here to help until the issue is resolved.
- See if you can See if you can System Restore to a point before the problem began following this guide: https://www.windowscentral.com/how-use-system-r...
- If not then try this fix that worked for JTxyz Sep 5, 2017 @ 5:32pm whose Steam games had default change to Notepad:
https://steamcommunity.com/discussions/forum/1/...
I hope this helps. Feel free to ask back any questions and keep me posted. If you will wait to choose if I resolved your problem, I will keep working with you until it's resolved.
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