LJE ITIT outside the box

Windows update broke something—what to do

Home › Blog › Windows update broke something—what to do

Your computer updates overnight. You restart it, and something isn’t working. A program crashes, your printer vanishes from settings, or a screen flickers. Windows updates cause problems frequently enough that Microsoft maintains a public list of known issues. Here’s what to do when an update breaks things.

Identify what changed

Before panicking, confirm the update is the cause. If the problem started immediately after a restart, an update is likely responsible. Check what installed by opening Settings > Windows Update > Update History. This shows recent quality updates and driver updates, with dates and KB numbers (identifiers like KB5129195).

Search the KB number on Microsoft’s release health pages (learn.microsoft.com/windows/release-health/). You’ll see whether Microsoft has documented this issue and whether a fix exists.

Recent examples: September 2026 updates (KB5124008) caused Remote Desktop Services to become unstable in some organisations, incorrect antivirus notifications on other machines, and USB audio devices to fail. Later out-of-band updates (released on September 14) fixed most of these issues. The point is: if your issue matches a documented one, a fix may already be available.

Uninstall a problematic update

If an update causes problems and no fix is yet available, you can uninstall it temporarily.

On Windows 11:

  1. Open Settings > Windows Update > Update History.
  2. Click “Uninstall updates” (near the top).
  3. Find the problematic update by date and KB number, click it, and select “Uninstall”.
  4. Restart your computer.

The issue should disappear. You can then pause updates for a few weeks (Settings > Windows Update > Pause updates) to give Microsoft time to release a fixed version.

Important: This removes only recent quality updates (monthly security patches). You cannot uninstall major feature updates (like the shift from version 24H2 to 25H2) through this method—those require more drastic measures like factory reset or a previous system backup.

Use Known Issue Rollback

Windows 11 includes a feature called Known Issue Rollback (KIR). If Microsoft identifies that a specific change within an update is causing problems, it can reverse just that change on affected devices without removing the entire update—usually without any action needed from you, and without waiting for the next scheduled release.

Pause updates

If you’re uncertain whether the next update will break things, you can pause updates for up to five weeks. Go to Settings > Windows Update > Pause updates. This gives you time to research whether known issues affect your setup before you install. However, do not pause indefinitely; security patches matter.

Active Hours: Rather than pausing entirely, set Active Hours (Settings > Windows Update > Change active hours). Windows will not restart during these hours, letting you control when restarts happen. If an update requires a restart at 3am and you prefer working hours, set Active Hours to 7am-6pm.

Restore from backup

If an update corrupts your system so severely that Windows won’t start, your last resort is a system restore from backup. This is why regular backups matter. If you’ve created a system image (a complete clone of your drive) using Windows Backup or a third-party tool like Macrium Reflect, you can boot from that image and your computer returns to the state it was in before the problematic update.

If you have no backup and your system won’t boot, recovery is difficult without professional help or a fresh Windows installation (which erases all your data). This underscores why backups should be part of routine maintenance.

What if Windows won’t start?

If an update corrupts your system so severely that Windows won’t boot, recovery is harder. You’ll see a black screen, endless restart loops, or error messages. In this scenario:

  1. Try recovery mode. Restart your PC and hold Shift while selecting Restart. Windows may offer recovery options.
  2. Use a backup. If you’ve created a system image (a full clone of your drive) before the problem, boot from that image and your PC returns to a working state.
  3. Use another device to download media. Download Windows installation media on another PC using the Windows Media Creation Tool, create a bootable USB stick, and use it to repair or reinstall Windows on the affected PC. This erases your data, but at least your PC works again.
  4. Seek professional help. If none of these work and your data is critical, a repair technician can attempt data recovery or repair.

This is why backups matter. A 15-minute investment in creating a system image—using Windows Backup or free tools like Macrium Reflect—can save hours of frustration and a costly repair bill.

Why not disable updates permanently?

Some users, frustrated by problematic updates, ask: “Can I turn off automatic updates?” The answer is technically yes—via group policy on Pro and Enterprise editions—but not recommended. Disabling updates stops security patches from reaching you. Attackers exploit known vulnerabilities in unpatched Windows, and your computer becomes an easy target for malware and ransomware.

Instead, pause briefly if a known issue affects you, then install the fix when it’s released. Microsoft’s release cadence is predictable: cumulative updates come monthly, with out-of-band fixes released within days if critical issues emerge. The risks of running an unpatched system far exceed the small chance of an update causing problems.

Key points

  • Check Microsoft’s release health pages to confirm whether your issue is a known problem with a documented solution.
  • Uninstall recent updates if they cause problems; pause updates for a few weeks to let Microsoft release a fix.
  • Set Active Hours to control when Windows restarts, preventing unwanted 3am restarts.
  • Known Issue Rollback can reverse individual fixes without removing the entire update.
  • Maintain system backups (images) so you can restore to a working state if an update severely corrupts your system.
  • Do not disable updates permanently; security patches are essential. Pause briefly if needed, then install fixes.

Related: Guides