Here is a quick tip for uninstalling a Windows 11 update if one causes an issue, as happened recently with the July 2026 update on certain Dell models.
# Get a list of updates
Get-WindowsPackage -Online | Where-Object PackageName -like '*RollupFix*' |
Select-Object PackageName, PackageState, InstallTime
# Uninstall / Remove an update
Remove-WindowsPackage -Online -PackageName '<full package name>' -NoRestart