Fix Windows 10 Signs Out Immediately After Logging In
Question details
The user is experiencing a login loop where the computer automatically signs out the moment a login attempt is made.
- Product
- Windows 10
- Device & OS
- Windows 10
- Scenario
- Attempting to access the Windows desktop locally or logging into a Microsoft account via a web browser.
- Observed behavior
- The system or browser immediately forces a sign-out sequence right after the user provides correct credentials, preventing access to the desktop or account.
Determine whether this instant sign-out occurs on the Windows desktop lock screen (local logon) or when trying to access a Microsoft account online, as the troubleshooting methods are completely different.
Troubleshoot Local Windows Profile Sign-out Loop
Use this solution if Windows kicks you back to the lock screen immediately after entering your local desktop password.
A local logon loop is often caused by a corrupted user profile, a damaged system registry (specifically the userinit key), or a rogue startup program crashing the desktop interface.
Booting into the Windows Recovery Environment (WinRE) allows you to bypass the normal login process and run diagnostic tools.
On the Windows sign-in screen, hold down the 'Shift' key on your keyboard while clicking the Power icon in the bottom right corner, then select 'Restart'.
Once the blue 'Choose an option' screen appears, navigate to Troubleshoot > Advanced Options > Startup Settings. Click 'Restart', and press '4' or 'F4' to boot into Safe Mode.
If Safe Mode successfully loads without signing you out, press 'Ctrl + Shift + Esc' to open Task Manager. Go to the 'Startup' tab and disable all third-party applications, then restart your PC normally.
If you still cannot log in even in Safe Mode, return to the Advanced Startup Options, select 'System Restore', and choose a restore point dated before the login issue started.
Fix Microsoft Account Web Sign-in Issues
If the immediate sign-out issue happens when logging into your Microsoft account through a web browser, resolving browser and system sync issues can fix it.
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Frequently Asked Questions
Why does Windows sign out immediately after logging in?
This local login loop is usually caused by a corrupted user profile, malware modifying the 'userinit' registry key, or incompatible third-party startup programs that cause the Windows Explorer process to crash upon loading.
Can an incorrect system time cause Microsoft account sign-in loops?
Yes. If your computer's date and time are out of sync with Microsoft's authentication servers, the security tokens used for your login session will be deemed invalid and immediately rejected, causing an instant sign-out.
How do I access System Restore if Windows won't let me log into the desktop?
You can access System Restore directly from the lock screen. Simply hold the 'Shift' key while clicking the Power icon and selecting 'Restart'. This will reboot your PC into the Windows Recovery Environment where System Restore is available.
Will resetting my Microsoft account password fix the local Windows login loop?
Resetting your Microsoft password will only help if Windows explicitly says your password is incorrect. If Windows accepts your password but then immediately signs you out to the lock screen, it is a system or profile corruption issue, not a password problem.
