Sims 3 Won't Launch on New PC w/ Windows 11
Hello, I recently rebuilt my PC and was forced to switch to Windows 11 as that is all that was available to purchase. I’ve spent the last 3 hours going through Sims 3 fixes and every single one I’ve ...
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@NinjaAibou707 I got that second opinion, and the only other suggestion the other person has is to try a repair install of Windows:
https://www.elevenforum.com/t/repair-install-windows-11-with-an-in-place-upgrade.418/
This shouldn't delete any of your data, but if you get to step 14 and are NOT asked to keep personal files and apps, back out and start over.
If this doesn't help, then the only good option I know of is to use the other Windows account to play Sims 3 going forward.
Okay so I got it to work, but I'm honestly not entirely sure what did the trick.
After reinstalling Windows 11, I was still getting the error that the game was already running. I then got another error saying something about a missing dll file and that reinstalling the game might help, so I did that but still got the already running error. This is the part where it gets confusing. A solution that I tried before was creating a PowerShell script to limit the Sims 3 to launch using only one core, and just in case I tried rerunning that program via PowerShell before launching the game. Another thing I did around the same time was realize that because I reinstalled the game, I needed to go back into Properties > Compatibility and click the box to run the program as administrator. I had this box ticked before I did the whole Windows repair and game reinstall, so I'm honestly not sure which one or if both did the trick, or if me reinstalling Windows 11 did something to make both of these things work better, but that's how I managed to fix my game. I will update in case I figure out exactly what might have worked, but for right now if you're having this issue I would recommend trying the PowerShell script and making sure you are launching the program as an administrator (and of course using the Alder Lake patch if you have a newer CPU). And maybe try a clean reinstall of Windows 11 in case that did something.
Here is the link the PowerShell script tutorial I used:
