After installing KB5040427 on your Windows 10 computer, you may find that your rig keeps restarting.

you might try the easy methods introduced in this post fromMiniTool Softwareto make everything go back to normal.

Windows 10 KB5040427 Breaks Devices

Windows 10 KB5040427is an update that has been released for weeks.

run DISM and SFC

However, many users report that Windows 10 KB5040427 breaks their devices, causing PCs to restart repeatedly.

you could run it to repair the corrupted files when KB5040427 crashes PCs.

Step 1.Run Command Prompt as administrator.

click Uninstall

RunDISM.exe /Online /Cleanup-image /Restorehealthin Command Prompt.

Runsfc /scannowin Command Prompt.

Wait until the scanning and fixing process ends.

click Get restarted

After that, it’s possible for you to look to see if your PC can run normally.

Fix 2: Run SFC from Safe Mode

Step 1.Start your rig into Safe Mode.

Run Command Prompt as administrator.

Keep my files or Remove everything

RunDISM.exe /Online /Cleanup-image /Restorehealthin Command Prompt.

Runsfc /scannowin Command Prompt.

Likewise, you should wait until the whole scanning process ends.

you could uninstall it to have a shot.

ClickStart, then go toSettings > Update & Security > Windows Update.

ClickView update historyfrom the right panel.

ClickUninstall updateson the next page.

On the next page, find and selectSecurity Update for Microsoft Windows (KB5040427), and then selectUninstall.

ClickYesto confirm the uninstallation operation.

start your system and see if the issues is solved.

it’s possible for you to tryMiniTool ShadowMakerto do this.

How to Reset Your PC

Step 1.

ClickStart, then go toSettings > Update & Security > Recovery.

Click theGet startedbutton underReset this PC.

An interface pops up.

you’re free to selectKeep my filesorRemove everythingas per your situation.

After resetting this PC, your PC should work as normal.

This is thebest free data recovery softwarethat is compatible with Windows 11/10.

If yes, you’re free to recover 1GB of files for free.