Error Code 0x00000046

Error Code 0x00000046

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The “DEREF_UNKNOWN_LOGON_SESSION” Blue Screen of Death error (0x00000046) is a critical error typically related to security components within your operating system. When this error occurs, it usually means that a logon session is being deleted while it is still in use. It is often caused by security software or faulty system files.

How to fix:

  1. Check Your Security Software: If you’ve recently installed or updated any security software, it could be causing this error. Consider uninstalling the software temporarily to see if that resolves the issue. Make sure to reinstall it or install a replacement as soon as possible to keep your system secure.
  2. Update Your System: Ensure your operating system is up to date. Updating can help fix bugs and issues that can cause system crashes.
  3. System Restore: If the problem started recently, try using a system restore point to return your system to a state before the issue began.
  4. Perform a System File Check (SFC): System File Checker is a utility in Windows that allows users to scan for corruptions in Windows system files and restore corrupted files. Open the Command Prompt as an administrator and type sfc /scannow then press Enter. The SFC tool will start a scan and repair any issues it finds.
  5. Check for Disk Errors: Check your hard disk for errors. Open the Command Prompt as an administrator, type chkdsk /f /r, and press Enter. You may need to schedule this to run on the next system restart if the drive is currently in use.
  6. Check Your Hardware: Hardware problems, such as a failing hard drive, can cause BSOD errors. If you’ve recently installed new hardware, it could be causing the problem.

If these steps do not resolve the issue, consider getting help from a professional or contacting Microsoft Support. This type of error could potentially be due to more complex issues that require professional help to resolve.

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