You've come across a file in SharePoint in Microsoft 365, OneDrive for work or school, or Microsoft Teams, but you're unable to open or share it. You can see the file is there, but it's blocked and the file has a warning icon next to it: To protect yourself, your computer, and your organization, the best option is to delete the file.

If you’ve received an error code, we have solutions that can help you to resolve your issue. Just browse for your code in the list below. Did this resolve the issue? This page features a list of common error codes and solutions. Learn how to find your error code quickly.

Ransomware detection notifies you when your OneDrive files have been attacked and guides you through the process of restoring your files. Ransomware is a type of malicious software (malware) designed to block access to your files until you pay money.

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. Issue 3: You cannot open a file or folder after you install a new version of Windows.

You get the following error code and message when you try to make a purchase from your Xbox console: PBR9000. You’ve reached the limit of how much you can spend in Microsoft Store on Xbox One today. This may mean that you’ve reached your daily account spending limit. It may also mean that your billing information is incorrect or incomplete.

Learn how to revert the firmware on an Xbox controller if you’re experiencing Bluetooth connection issues.

Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.

Your PIN is tied to your Xbox profile so that you can use it with any Xbox console that you sign in to. Did this resolve the issue? Learn about the benefits of using a PIN to help keep your account secure on Xbox.

Cumulative Update 15 for Microsoft Exchange Server 2019 was released on February 10, 2025. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues. These fixes will also be included in later cumulative updates for Exchange Server 2019.

Find out what to do when you can't download or install a game or an app on your Xbox console.