Last week I had a problem with patch KB4038782 on a Windows Server 2016. The patch was waiting to be installed. It was stuck at 40 à 50% of his download. After investigating the issue I came to this conclusion: Stopped the [Windows Update] service. Removed the “SoftwareDistribution” – folder under C:\Windows. Started the [Windows … More Windows Server 2016 – Patch KB4038782 download issue.