How to fix Error 1369 on Windows 11

by

Troubleshooting Guide: Error 1369 – Registry Subtree Transaction State Incompatible

Why This Error Happens

Error 1369 occurs when the Windows Registry’s Kernel Transaction Manager (KTM) detects that a registry subtree is either mid-transaction or locked in a state that conflicts with a new read/write request. This typically happens due to an abruptly terminated transacted registry operation (often caused by a system crash, forced shutdown, or power failure) that leaves stale transaction metadata attached to a registry key. Corrupted registry hive files or improperly closed transactional sessions from applications using RegCreateKeyTransacted or similar APIs are the most common root causes.

Step-by-Step Resolution Guide

Step 1: Run System File Checker and DISM

  • Open Command Prompt as Administrator (search “cmd”, right-click, “Run as administrator”).
  • Execute: sfc /scannow and allow it to complete fully.
  • Follow up with: DISM /Online /Cleanup-Image /RestoreHealth
  • Restart the machine once both commands finish successfully.

Step 2: Check and Repair Registry Hives

  • Navigate to C:\Windows\System32\config and verify no .LOG1, .LOG2 files are abnormally large or corrupted (indicates incomplete transactions).
  • Boot into Advanced Startup (Settings > System > Recovery > Advanced Startup > Restart Now).
  • Select Troubleshoot > Advanced Options > Command Prompt.
  • Run: chkdsk C: /f /r to repair underlying disk errors that may be corrupting the transaction log.

Step 3: Clear Stale Kernel Transaction Manager (KTM) Data

  • Open Registry Editor (regedit) as Administrator.
  • Locate the specific subtree referenced in the error (check Event Viewer under Windows Logs > System for the exact key path).
  • Right-click the affected key, export it as a backup .reg file first, then delete and manually recreate the key structure if it’s non-critical.
  • Avoid deleting system-critical keys (e.g., under HKEY_LOCAL_MACHINE\SYSTEM) without verified backups.

Step 4: Restore from a System Restore Point

  • Open “Create a restore point” from the Start menu search.
  • Click “System Restore” and choose a restore point dated before the error first appeared.
  • Follow the wizard to roll back system and registry state, then restart and confirm the error is resolved.

Alternative or Verification Steps

  • After completing the steps, reproduce the original action that triggered Error 1369 (e.g., installing software, running a script) to confirm it completes without the error.
  • If the issue persists, use Event Viewer (Windows Logs > System, filter by Event ID 1369) to identify the exact faulting module, and consider a targeted in-place upgrade repair via Windows 11 installation media if registry corruption is widespread.