How to Fix a Corrupted User Profile in Windows 10 and 11

When your user profile gets corrupted, Windows sometimes signs you into a temporary profile instead. Everything looks unfamiliar, your desktop is bare, and files you saved appear to have vanished (they haven't — they're in your original profile folder). Here's how to fix it.

Recognise the Signs

• A message on login: "We can't sign into your account. This problem can often be fixed by signing out of your account and signing back in."
• Your desktop is the default Windows desktop, not your customized one.
• Files you created aren't visible.
• File Explorer shows C:\Users\TEMP as your home folder.

Step 1: Create a New Admin Account

If you're stuck in a temporary profile, you need admin rights to fix things. If you have another admin account, use that. If not:

1. Sign into the temporary profile.
2. Go to Settings > Accounts > Other users > Add account.
3. Choose I don't have this person's sign-in information > Add a user without a Microsoft account.
4. Create a local account and then go back and change its account type to Administrator.

Step 2: Copy Your Files From the Old Profile

1. Sign in to the new admin account.
2. Open File Explorer and navigate to C:\Users.
3. You should see your original username folder. Open it and copy your Desktop, Documents, Downloads, Pictures, and other folders to the new account's equivalent folders or an external drive.

Step 3: Fix the Profile Registry Entry

The corrupted profile is often caused by a bad registry entry. In the new admin account:

1. Press Win + R, type regedit, and navigate to:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList

1. Look for two keys with similar names — one ending in .bak. The .bak one points to your original profile.
2. Rename the .bak key by removing the .bak suffix, and rename the other key by adding .bak to it.
3. In the key that now has no .bak, make sure the ProfileImagePath value points to your original user folder.

Sign out and try signing back into your original account.

When to Start Fresh

If the registry fix doesn't work, the most reliable option is using the new admin account going forward with all your files migrated to it, or resetting Windows while keeping your files.