Every time i power on/start my laptop my profile and all data venish on dislpay showing "the user profile service failed to sign in".

Hi Irshad Mansoori,

The fact that your files and settings return after a few restarts suggests that your data is still present, but Windows may be having trouble loading your user profile correctly during startup. This can happen if profile components, system files, or storage-related items are not loading consistently.

To help improve profile stability, you can try the following:

1, Check the system drive for errors

• Open Command Prompt as Administrator
• Run: chkdsk C: /f
• Restart the PC when prompted and allow the scan to complete.

2, Review profile-related events

• Press Win + X > Event Viewer
• Navigate to: Windows Logs > Application
• Look for events from User Profile Service around the time the issue occurs. These events can help identify what is preventing the profile from loading.

3, Test with a new local administrator account

• Create a temporary local administrator account.
• Sign in with the new account and restart the PC a few times.
• If the new profile loads normally each time, the issue may be isolated to the current user profile.

If the behavior continues after these checks, please share any User Profile Service event IDs or error details from Event Viewer, as they can provide more specific guidance on the underlying cause.

Let me know if you need further assistance, feel free to ask me by clicking "Add Comment" or "Add Answer" if you cannot add comment so your response will be visible. Thanks for your effort.

Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

Hi,

You’re currently being signed in with a temporary profile, which is why your data disappears every time you restart your computer. This likely happened because your user profile got corrupted and that can happen for a few reasons, including interrupted update or an improper shutdown. Unfortunately, the best way to fix this is to create a new user profile. You can follow Emily’s instructions in this thread for the steps:

https://learn.microsoft.com/en-us/answers/questions/5584511/how-to-fix-the-user-profiled-service-service-faile