When you open an Office app, such as Word or Excel, you may see the following error.
We're sorry, but Word has run into an error that is preventing it from working correctly. Word will need to be closed as a result. Would you like us to repair now?
The Windows Setup procedure or the Media Creation Tool may fail to clear the temporary setup files in some cases. As a result, gigabytes of disk space will be occupied by those folders. When you manually delete the temporary setup folder $WINDOWS.~BT, you may receive an Access Denied error.Read more
When you start your Windows 11 computer, the following warning about the driver pcdsrvc_x64.pkms may appear.Read more
When you open legacy Office documents (97-2003), Office applications may display the “File In Use” error and suggest opening the document in Read-Only mode. This may happen in every Office application—Word, PowerPoint, and Excel.Read more
When you upgrade to Windows 10 from Windows 7 or 8, the setup may fail with the following error:
What needs your attention The following things need your attention to continue the installation and keep your Windows settings, personal files, and apps. Windows Media Center is installed on this PC Windows Media Center will be uninstalled during the upgrade. It isn't available in Windows 10. Uninstall this app now because it isn't compatible with Windows 10.
When you start the Phone Link app, you may be informed that the feature has been blocked by your administrator.
The feature has been blocked by your system administrator. Contact your system administrator for more info.
Error 1720 may be shown when you try to install an app using the .msi installer. Here’s the full error message:
Error 1720: There is a problem with this Windows Installer Package. A Script required for this install to complete could not be run. Contact your support personnel or package vendor.
When you try to install the latest updates on a Windows Server 2016 computer, you may encounter the error code 0x800705B4. The WindowsUpdate.log file, generated using the Get-WindowsUpdateLog PowerShell cmdlet, may contain the following lines:Read more
When you install the latest Windows 11 Feature Update via Windows Update, the following error message may occur:
Software License Terms Error encountered.
The latest Windows 10 cumulative update may fail with error code 0x800703fa. Many users are experiencing this issue when installing the KB5066791 update (October 14, 2025) or earlier. Installing it using the .MSU file from the Microsoft Update Catalog may not work either.Read more