How to Fix ERROR_RXACT_COMMIT_NECESSARY

The ERROR_RXACT_COMMIT_NECESSARY code 678 (0x2A6) indicates that a transaction within the Registry Transaction Manager (RXACT) needs to be committed to finalize changes. This typically occurs when modifications to the Windows Registry or system settings are pending but haven’t been completed.

This can be due to incomplete Registry changes, corrupt system files, software installation or permission issues, or Windows Update failure.

How do I fix ERROR_RXACT_COMMIT_NECESSARY?

1. Run SFC and DISM scans

1. Click the Start button, type cmd, and select Run as administrator to open Command Prompt with full privileges.
2. Run the following commands one by one:
   • sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth
3. These commands scan and repair corrupted system files. Restart your PC afterward.

3. Check for Windows Updates

1. Go to Settings > Windows Update and install any pending updates.
2. Updates may resolve registry transaction issues.

Check if any Windows updates were not completed successfully. If so, click the highlighted link for solutions.

4. Use the Windows Registry Editor (with caution)

1. Open Run (Win + R), type regedit and press Enter.
2. Navigate to the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RXACT
3. Check for incomplete transactions or corrupted registry entries in the right pane.
4. Back up the registry before making changes: Click File > Export and save a copy.
5. Now, delete the problematic entries, close the Registry Editor and restart your PC.

This error is rare and mostly affects software installations, Windows updates, and system registry operations. If none of the above steps work, consider performing a system restore to revert to a stable state. As a last resort, you may also perform a Windows clean installation, but we hope you won’t need to do that.

The ERROR_RXACT_COMMIT_NECESSARY (678) error is related to registry transactions, so resolving it involves checking the registry, repairing system files, and ensuring updates are applied correctly. Let us know in the comments below if you need further information.

Before leaving, why not check our latest guide on ERROR_RXACT_STATE_CREATED?