WinTips.org

If the Copilot button is missing or grayed out in Outlook, or Copilot has suddenly disappeared after previously working, this guide provides step-by-step instructions for resolving the problem. The issue can occur because of an Outlook bug, an incorrect Microsoft 365 account or license state, an unsupported Office update channel, disabled Connected Experiences, or organizatio...

If you receive the error "The trust relationship between this workstation and the primary domain failed" when signing in to a Windows computer joined to an Active Directory domain, this guide provides step-by-step instructions for resolving it. This error, also known as Error 1789 or 0x800706FD (ERROR_TRUSTED_RELATIONSHIP_FAILURE), indicates that the secure channel between th...

If you own an ARM-based computer and Microsoft Teams or the new Outlook for Windows won't open or closes unexpectedly after installing Windows 11 update KB5121003, continue below to learn how to fix the issue. On September 1, 2026, Microsoft confirmed that Microsoft Teams and the new Outlook for Windows might fail to launch or […]

The post

If your mouse pointer suddenly becomes larger or changes to a default pointer, or your desktop wallpaper turns black after installing Windows 11 update KB5120998, continue reading below to see how to fix this issue. Microsoft has received reports that mouse cursor personalization settings are being changed or reverted to certain standard settings after installing […]

T...

If Windows displays the "Microsoft Defender Antivirus is turned off" notification even though Defender appears to be active, your computer may be affected by a known Microsoft Defender issue. However, you should verify Defender’s status before dismissing the warning. Microsoft confirmed on August 28, 2026, that recent updates to Microsoft Defender Antivirus may cause Windows ...