Memory could not be written error code

lostfawnn​  I don't see anything obviously problematic in your dxdiag.  But it doesn't contain any Windows error reports, which is odd—even a fresh install of Windows will likely have one or two.  Do you use some kind of cleaner app that deletes temp files?  If so, please disable it while troubleshooting.  I may want to see crash-related info, and these apps can also delete files the game needs in order to run.

For now, please temporarily disable your antivirus entirely, all features, and repair the game in the EA App (Sims 3 > Manage > Repair), again if you have already.  Then try to play.  If it doesn't work, restart your computer and repeat the test but while offline.  You can sign into the EA App and put it in offline mode, then disable wifi and/or disconnect the ethernet cable before pressing Play.

If that doesn't help either, please look for new errors in the Reliability Monitor.  Click Windows key-R and enter "perfmon /rel" without quotes, and you'll see a chart of errors and updates with a column for each day.  Today is on the right.

Look for an error that happened at exactly the most recent time you tried to open Sims 3.  If you find one, double-click it to see more details, then copy that info and paste it into a reply here.  If you don't see a new error, check back in an hour or so—the Reliability Monitor doesn't always update right away.