Fix issues by reinstalling the current version of Windows Fix problems using Windows Update is a recovery tool that can help resolve issues related to updates Using this tool will reinstall the current version of Windows on your device
Troubleshooter for repairing Windows Update system files and settings This article describes the problem addressed by the troubleshooter, what it does to mitigate them, and the conditions that can cause it to run For more information about troubleshooting, see Keep your device running smoothly with recommended troubleshooting
Fix sound or audio problems in Windows - Microsoft Support If you are using a Windows 10 device, start by running the automated audio troubleshooter in the Get Help app It will automatically run diagnostics and attempt to fix most audio problems If you are using an older version of Windows or a mobile device, please skip to General troubleshooting steps General audio troubleshooting in Windows 10