Error Code 0x00000001

Error Code 0x00000001

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The 0x00000001 or APC_INDEX_MISMATCH error is typically caused by a problem with a device driver that incorrectly triggers an asynchronous procedure call (APC) or triggers it multiple times.

How to fix:

  1. Identify the Problematic Driver: This error is usually associated with a device driver. Try to identify the driver that is causing this issue. It could be a recently installed or updated driver.
  2. Update the Driver: Once you have identified the problematic driver, try updating it to the latest version. Make sure to download the latest driver from the manufacturer’s official website.
  3. Rollback the Driver: If updating the driver doesn’t help, or if the problem started after updating a driver, you might want to try rolling back the driver to its previous version.
  4. Uninstall and Reinstall the Driver: If both updating and rolling back the driver don’t work, you could try uninstalling and then reinstalling the driver.
  5. Use System Restore: If none of these steps work, you can try to perform a System Restore to roll your system back to a state when it was functioning properly.
  6. Contact Support: If all else fails, reaching out to Microsoft Support or the manufacturer of the problematic hardware might be your best bet.

As with any significant changes to your system, ensure you have a recent backup of all important data to avoid potential data loss.

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