If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

The issue occurs because of a deadlock between a thread in Windows NT File System driver (Ntfs.sys) and a thread in the Autochk.exe program. Resolution. Important This issue may occur sometimes or every time that you start the computer. If you can load Windows successfully, apply this hotfix.

On a computer that is running Windows 7, you use the Chkdsk.exe program to schedule a disk check during the next system startup. However, the disk check does not start correctly.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check. In Windows, use Search on the taskbar to ...

In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

The Microsoft Support and Recovery Assistant can diagnose and fix several Outlook issues for you, including fixing your Outlook profile. To download and install the Microsoft Support and Recovery Assistant, click download the tool. Once installed, the application will run automatically.

This article describes the update rollup for Windows RT, Windows 8, and Windows Server 2012 that is dated June 2013. This update rollup package includes performance and reliability improvements. We recommend that you apply this update rollup as part of your regular maintenance routines.

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.

When you use the Recovery Environment (Windows RE) to troubleshoot startup issues, first try the Startup Repair option in the System Recovery Options dialog box. If this does not resolve the issue, or if you have to manually troubleshoot additional issues, use the Bootrec.exe tool.