This article describes an issue that occurs when you try to display a user's "effective access" to a file in Windows 8.1, Windows Server 2012 R2, Windows 8, or Windows Server 2012. You can resolve this issue for Windows 8.1 and Windows Server 2012 R2 by using the update in this article.

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. To do this, follow these steps: Open an elevated command prompt.

There are several places where your recovery key might be, depending on the choice that was made when activating BitLocker. Expand each section to learn more: What if I can't find the recovery key? If your device is managed by an organization, check with your IT department to retrieve the recovery key.

Fixes an issue in which recycled files are deleted permanently if you delete files from a DFS link in a network environment on a client computer that is running Windows 7 or Windows Server 2008 R2 after you redirect the Recycle Bin to the DFS link.

Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.

Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

Microsoft Visual Studio 2015 creates a dependency on the Universal CRT when applications are built by using the Windows 10 Software Development Kit (SDK). You can install this update on earlier Windows operating systems to enable these applications to run correctly. This update is available from Windows Update.

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.

Use the 32-bit installer if you’re using a 32-bit version of Windows and the 64-bit installer with a 64-bit version of Windows. To determine which version of Windows you’re using, follow the steps in Method 1 or 2. If one method doesn’t work, try the other. Method 1: View the System window in Control Panel.

Instead of using a password, with Windows Hello you can sign in using facial recognition, fingerprint, or a PIN. These options help make it easier and safer to sign into your PC because your PIN is only associated with one device, and it's backed up for recovery with your Microsoft account.