Software⏱️ 3 min read📅 2026-05-29

How to Fix: Why is my Windows account login not working after changing home-dir access

Windows account login issue after changing home-dir access rights during backup with another computer

Quick Answer: Revert the changes made to the home directory permissions and ensure that the Windows account is not set as an administrator on C1, as this can cause issues with login. Also, verify that the SATA SSD connection between C1 and C2 is properly configured and recognized by both systems.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🛠️ Step-by-Step Verified Fixes
  3. 💡 Conclusion

When you migrate a Windows account from one computer to another, especially when the source computer's power supply is interrupted during the process, it can cause issues with the login. This happens because the home directory access rights are changed during the backup, which can lead to authentication problems.

⚠️ Common Causes

  • Changing home directory access rights during backup can cause authentication issues.
  • The interrupted power supply of the source computer can lead to corrupted file systems or lost data, causing login problems.
  • Using a different Windows version (e.g., from Windows 10 to Windows 11) can also introduce compatibility issues with the home directory access rights.

🛠️ Step-by-Step Verified Fixes

Method 1: Rebuild the Profile

  1. Step 1: Open Command Prompt as an administrator and navigate to the user's profile directory (e.g., C:\\.local egistry).
  2. Step 2: Run the command `regedit` to open the Registry Editor, then go to HKEY_CURRENT_USER/software tuser.dat.
  3. Step 3: Delete any existing entries for the home directory (e.g., C:\ older).

Method 2: Rebuild the User Profile

  1. Step 1: Open Command Prompt as an administrator and run the command `net user /delete` to delete the existing user account.
  2. Step 2: Run the command `net user ` to create a new user account with the same name and password.

Method 3: Restore from Backup

  1. Step 1: Connect the source computer's system drive to the destination computer using a SATA cable.
  2. Step 2: Run the command `chkdsk C:` (assuming the system drive is C:) to check for any disk errors and repair them.
  3. Step 3: Restore the user account from the backup, making sure to select the correct date and time range.

💡 Conclusion

By following these steps, you should be able to resolve the login issue caused by changing home directory access rights during backup and interrupted power supply.

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