Right-click the game in your Library > Properties > Installed Files > Verify integrity of game files .
Navigate to your game’s folder (usually C:\Program Files (x86)\Electronic Arts\The Sims Medieval\Game\Bin ). Right-click TSM.exe and select Properties .
Go to My Collection , click the three dots on The Sims Medieval tile, and select Repair .
remains a beloved spinoff for fans of the franchise, offering a unique blend of RPG elements and classic life simulation. However, many players attempting to revisit their kingdom are met with a frustrating startup crash: the dreaded rld.dll error.
The most common cause for the error is that Windows Defender or a third-party antivirus (like Avast or Norton) has flagged the file as a "false positive." Because this file interacts with the game’s executable to manage licensing or connectivity, security software often mistakes it for a threat. Open your Antivirus/Security Center . Check the Quarantine or Protection History section.