The Windows 10 1809 October update possibly has one of the worst bugs that Windows update has ever had. This weird bug is deleting user’s data. Both Windows 10 Home and Windows 10 Pro users have been affected. The number of affected users is not large but the bug has caused enough damage to be ignored. However you can go for a Group policy hack to avoid getting your profile deleted by this bug before upgrading to Windows 10 version 1809. But this fix works only on Windows 10 Pro users, for Home users, here is no known settings to avoid this bug. It is important that you apply this fix before you update to the next version. If you’re using the Windows 10 Home version, you should back everything up before you update.
Microsoft has acknowledged the bug. To avoid loss to more users, Microsoft had held back Windows 10 1809 update for few days and has now restarted update distribution after fixing the bug. However, it will be a good idea to still take precautions before jumping to next Windows update. Here’s how to fix, or prevent Windows 10 1809 bug deleting user files.
How to Fix Windows 10 Update 1809 Deleting User Files
There is a settings in Local Group Policy in Windows that allows deletion of inactive user profiles after a fixed amount of time (which is configurable). We are going to use same settings to keep Windows 10 1809 update from deleting user profile data after installing the update. Open the Group Policy Editor. You can type ‘gpedit.msc’ RUN and press Enter to open Group Policy Editor. In Group Policy Editor, navigate to the following location:
Computer Configuration > Administrative Templates > System > User Profiles
On the right pane, you can find a policy settings named as “Delete user profiles older than a specific number of days on system restart”. Right-click it and select Edit from the context menu. Set the policy to Not Configured or Disabled. Configuring the policy to Disabled will be better option to avoid taking any chances.
After applying this fix, you should be safe to upgrade to Windows 10 version 1809 but, to be safe you should still back your important files up before you upgrade. However this fix is not from Microsoft and it is possible that it might not work and your files still get deleted. The point is to be careful. As a precaution, you can delay the update until Microsoft automatically pushes the update to your Windows 10 device.
As Microsoft has already acknowledged the bug and fixed it too, you may soon get fixed version of Windows 10 version 1809 on your PC. Enjoy, have fun!