Windows update paused at 86% completion.
Windows update paused at 86% completion.
It’s not necessary to turn it off. Since it’s on an SSD and has been running smoothly, you can continue using it without interruption.
Keep waiting a bit longer. Also consider disconnecting any external devices or components. If you power it down, it’s probably at risk of data loss and you’ll need to restore everything from scratch. Hold off until you can safely proceed.