This is a common and frustrating issue – the Windows Modules Installer Worker (TiWorker.exe) can indeed consume a lot of memory, especially during background updates. As the post suggests, it usually resolves itself once updates finish installing. If it persists, running SFC and DISM scans is a good next step, along with checking disk space. For those taking a break from troubleshooting, https://winaura.be/bonus/ offers some light entertainment. Have you found any other reliable fixes, like disabling automatic updates temporarily?