The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 7 and for Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component.

Open your Windows Security settings. Select Virus & threat protection > Protection history. The Microsoft Defender Offline scan will automatically detect and remove or quarantine malware. Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Fix issues when you can't sync OneNote. OneNote for Microsoft 365 More... Before following the troubleshooting suggestions in this article, please be sure to first check for and install any available Office updates for your computer. Install Office updates on Windows. Install Office updates on macOS.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections. 5. Check sound settings. 6. Fix your audio drivers. 7. Set your audio device as the default device. 8. Turn off audio enhancements. 9. Restart Audio Services

Xbox replacement components provide you the freedom to make repairs to an out-of-warranty Xbox Series X|S Wireless Controller yourself. Things to keep in mind. These types of repairs require moderate technical skill, and are suited for enthusiasts, professionals, or those with prior experience in electronic disassembly.

Windows 11 Windows 10. If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

Press Windows logo key + S or select Search, type pc health check, and select PC Health Check from the list of results. Select Check now. It can take up to 24 hours for Windows Update to refresh your eligibility info.

If your Surface isn’t working properly, the Microsoft Surface app and Surface Diagnostic Toolkit can help you find and solve problems. Notes: If your work or school manages your Surface, check with your IT department before running the tool.