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. Run the System File Checker tool (SFC.exe)

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter.

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. Recovery on cloud storage and network file shares is not supported.

Fixes an issue in which an event ID 4227 is logged when a client application tries to connect to a Windows Server 2008 SP2-based server during a dynamic port allocation process.

If you're a SharePoint administrator, you can restore a site collection using PowerShell. For info, see Restore-SPDeletedSite. There are two Recycle Bins, the site Recycle Bin (first-stage) and site collection Recycle Bin (second-stage). The default retention period for any item is 30 days.

To help you resolve this, try the solutions below. We’ve listed the most common solutions first so try the steps in the order they're listed. Solution 1 - Update Office. Make sure Office is updated to Version 2102 (Build 13801.20808) or later. If you're not setup for automatic updates do the following:

BY USING THE SOFTWARE, YOU ACCEPT THESE TERMS.IF YOU DO NOT ACCEPT THEM, DO NOT USE THE SOFTWARE. FOR iOS/ iPadOS / vIsionOS USERS, INSTEAD, RETURN IT TO APPLE INC. ("APPLE") FOR A REFUND OR CREDIT IF APPLICABLE. These license terms are an agreement between you and Microsoft Corporation (or one of its affiliates).

When you try to access or work with files and folders in Windows, you experience one or more of the following issues: Issue 1: You receive an "Access Denied" error message or a similar message. Issue 2: You cannot access, change, save, or delete files and folders.

About this update. The Windows 10 Universal CRT is a Windows operating system component that enables CRT functionality on the Windows operating system. This update allows Windows desktop applications that depend on the Windows 10 Universal CRT release to run on earlier Windows operating systems.

Select File > Get Add-ins. Alternatively, you can also view your add-ins directly from the Home tab by selecting Add-ins. You can directly install add-ins from this page or select More Add-ins to explore. In the Office Add-ins dialog, select My Add-ins tab.