Windows Update Problems: Stuck, Failed and Slow Updates Fixed Safely

Windows Update problems, explained from what you see on screen: an update stuck at 0%, 99% or 100%, an update undoing itself, a PC that slowed down after Patch Tuesday, or the same update installing again and again. Every page gives honest waiting times and one safe fix, and links to the exact error code page whenever a code is the real cause.

All articles in this cluster

• Windows Update Stuck at 0%, 99% or 100%: How Long to Wait, Then What
• 'Undoing Changes Made to Your Computer': What It Means
• My PC Is Slow Since the Last Update: Patch Tuesday Problems
• Windows Keeps Installing the Same Update Again and Again
• Not Enough Space for a Windows Update: Free Space Safely
• An Update Broke My Printer: Errors 0x00000709 and 0x0000011b
• How to Uninstall a Bad Windows Update (and When You Should)
• How to Pause Windows Updates Without Breaking Anything
• Did That Update Actually Install? Reading Your Update History
• Windows 10 ESU Enrollment Failed: Errors and Fixes