What it fixes. The troubleshooter helps fix problems that: Corrupt registry keys on 64-bit operating systems. Corrupt registry keys that control the update data. Prevent new programs from being installed. Prevent existing programs from being completely uninstalled or updated.

You can join a Teams meeting anytime, from any device, whether or not you have a Teams account. If you don't have an account, follow these steps to join. If you're having trouble joining a Teams meeting, try I can't join a Teams meeting.

If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

In new Outlook, open a new message or reply to a message. From Options > Show fields, select Show Bcc. Add the names of people you want on the Bcc line. Note: When you add someone's email address to the Bcc (blind carbon copy) box, a copy of the message is sent to that person.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

The Snap feature is a great way to improve your productivity by sharing many app windows in a single screen. Different layouts are available with many sizes to choose from, so you can get the most from your favorite apps when you are working on specific tasks.

MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files (attributes not listed) are signed with a Microsoft digital signature.

Any application that depends on CredSSP for authentication may be vulnerable to this type of attack. This security update addresses the vulnerability by correcting how CredSSP validates requests during the authentication process. To learn more about the vulnerability, see CVE-2018-0886.

Wi-Fi 7 is the latest generation that promises even faster speeds and improved latency, network capacity, and overall stability. WPA3 is the latest security standard that enhances Wi-Fi security, offering features like more robust authentication and increased cryptographic strength.

Find solutions to common problems or get help from a support agent. By pressing submit, your feedback will be used to improve Microsoft products and services. Learn how to get the latest Windows updates. Find answers to FAQ about updating Windows to keep your PC up to date.