Use the System File Checker tool to repair missing or corrupted system ...
When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.
Remove specific prevalent malware with Windows Malicious Software ...
Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.
Uninstall or remove apps and programs in Windows - Microsoft Support
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Virus and Threat Protection in the Windows Security App
Real-time protection is a feature in the Windows Security app that continuously monitors your device for potential threats such as viruses, malware, and spyware. This feature ensures that your device is actively protected by scanning files and programs as they are accessed or executed.
Fix problems that block programs from being installed or removed
First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.
Update drivers through Device Manager in Windows - Microsoft Support
Download the drivers for the desired device from the device manufacturer's site. Make sure to download the correct drivers that match the version and architecture of Windows. Once downloaded, if necessary, uncompress the downloaded drivers. Make a note of where the drivers are located on the Windows device.
Windows troubleshooters - Microsoft Support
Get Help has troubleshooters, or diagnostic tests, that can check your system configuration for anything that might be causing issues using your devices. View troubleshooter results. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.
使用 Windows 惡意軟體移除工具移除特定的常見惡意程式碼 (KB890830) - Microsoft 支援服務
這個目錄將包含多個檔案 (包括 Mrtstub.exe 檔案)。 在大部分情況下,這個資料夾會在此工具執行完成或下一次啟動電腦後自動刪除。 然而,此資料夾可能不會自動刪除。 在這些情況下,您可以手動刪除此資料夾,此動作不會對電腦造成負面影響。
Windows recovery environment - Microsoft Support
Learn about Windows RE, how to access it, and the different tools it offers.
Solve PC problems remotely with Remote Assistance
Remote Assistance lets someone you trust take over your Windows 10 PC and fix a problem from wherever they are.