Microsoft account sign-in errors are among the most common issues encountered by users of Windows 10 and Windows 11. Often, users experience an endless sign-in loop or receive a message saying "We can't sign you into your account." In this article, we’ll explore the causes of this issue, how to diagnose it, and the most effective solutions.
Common Causes of Microsoft Account Sign-in Issues
Sign-in problems can be triggered by various factors:
Network connectivity errors
Corrupted system files
Incorrect date and time settings
Issues with Microsoft’s authentication servers
Damaged user profile
Outdated or corrupted login cache data
Symptoms of the Problem
Endless sign-in loop
Message: "Your account isn't available"
Error: "Sign-in error: Try again later"
Returning to the password entry screen repeatedly
Step-by-Step Troubleshooting Instructions
Step 1: Check Your Internet Connection
Ensure your device is connected to the internet
Restart your router or modem
Try a different network (e.g., mobile hotspot)
Step 2: Verify Microsoft Server Status
Visit the Microsoft Service Status Page to check for any ongoing issues.
Step 3: Correct Date and Time Settings
Incorrect date and time can prevent sign-in:
Press
Win + I
to open SettingsGo to "Time & Language" → "Date & Time"
Enable "Set time automatically"
Restart your computer and try signing in again
Step 4: Clear Sign-in Cache and Credentials
Damaged cached data can block authentication:
Open Settings (
Win + I
) → "Accounts"Click "Access work or school"
Remove unnecessary or unused accounts
Restart the device and try again
Step 5: Repair Corrupted System Files
To check and repair system files:
Open Command Prompt as administrator (
Win + X → Command Prompt (Admin)
)Run the command:
sfc /scannow
After the scan is complete, restart the device
Step 6: Reset Your Microsoft Account Password
If you suspect an incorrect password:
Visit the Microsoft Password Reset Page
Follow the steps to recover access
Step 7: Switch to Local Account and Back
A temporary switch can resolve profile errors:
Open Settings (
Win + I
) → "Accounts" → "Your Info"Click "Sign in with a local account instead"
Create a local account, then reboot
Sign in and switch back to Microsoft account
Additional Tips and Best Practices
Update Windows: Ensure all recent updates are installed, especially security patches.
Run Windows Troubleshooter: Built-in diagnostic tools can fix common sign-in issues.
Temporarily Disable Antivirus: In rare cases, security software may interfere with the sign-in process.
Conclusion
Microsoft account sign-in errors can be frustrating, but in most cases, they can be resolved using the simple steps outlined above. If the issue persists, contact Microsoft Support or seek help from a certified technician.