Windows says your user profile is corrupted or you're signed in with a temporary profile

Symptoms

• Message specifically mentions a corrupted profile or temporary profile
• Desktop looks default/empty, missing your usual icons and personalization
• Files that should be on the desktop or in Documents appear missing
• Settings and installed program shortcuts you expect are gone

Likely causes

• CommonUser profile registry data corruptedWindows stores profile information in the registry, and damage there is a very common cause of this issue.
• CommonImproper shutdown or crash while the profile was loading/savingInterrupting Windows at the wrong moment can corrupt profile data.
• PossibleDisk errors affecting the profile's filesFile system corruption specifically in the user's folder can trigger this.
• PossibleA Windows update or system change affecting profile loadingCertain updates have occasionally caused profile loading issues.
• Less commonMalware affecting user profile dataSome malicious software can corrupt or interfere with profile loading.

What to do

1. First, restart the computer once, since a temporary profile message can sometimes be a one-time glitch that clears on the next boot.
2. If it recurs, sign in with an administrator account (if you have a separate one) to access the Registry Editor and check the affected profile's status.
3. In Registry Editor, navigate to 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList' and look for entries with '.bak' appended to a security identifier matching your account, which indicates a profile load issue Windows is aware of; this step requires care since it's a system-level edit.
4. If you're not comfortable editing the registry, create a new local user account through Settings > Accounts > Family & other users, and sign into it to confirm normal profile behavior.
5. If the new account works fine, plan to migrate your personal files from the old, corrupted profile's folder (usually still accessible under C:\Users\[oldname]) into the new profile.
6. Copy over Desktop, Documents, Pictures, and other personal folders manually rather than the entire profile folder, to avoid carrying over whatever corruption caused the original issue.
7. Reinstall or reconfigure programs under the new profile as needed, since some program settings are tied to the specific profile.

When to call a pro

Editing the registry to fix a corrupted profile carries some risk if done incorrectly; a technician can perform this repair or safely migrate your data to a new profile.

Safety