How to fix “An instance of the service is already running. [ERROR_SERVICE_ALREADY_RUNNING (0x420)]” – Error Code 1056


lightbulb

Error Code 1056

Error code Error Code 1056 is a common Windows issue that typically arises from “An instance of the service is already running. [ERROR_SERVICE_ALREADY_RUNNING (0x420)]”.

Overview

This article aims to resolve the issue identified as “An instance of the service is already running. [ERROR_SERVICE_ALREADY_RUNNING (0x420)].” Commonly known as Error Code 1056, this error affects Windows systems and can lead to performance issues.

Identifying the Problem

Error Code 1056 arises when a service attempting to start is already running. This can occur for various reasons, including:

  • Manual or automatic service reinstallation
  • Unexpected system shutdowns or restarts
  • Software conflicts

Common Fixes

1. Restart the Service

  • Open the Services console (services.msc)
  • Locate the service experiencing the error
  • Right-click the service and select “Restart”

2. Check for Conflicting Services

  • Open the Services console
  • Examine the services that depend on the affected service
  • Disable or terminate any services that may be interfering

3. Update Drivers and Software

  • Ensure all drivers and software related to the affected service are up-to-date
  • Visit the manufacturer’s website or Windows Update to download the latest versions

Advanced Troubleshooting

1. Check the Event Logs

  • Open the Event Viewer (eventvwr.msc)
  • Navigate to “Applications and Services Logs” > “Microsoft” > “Windows”
  • Filter the logs by the error code “1056” to identify the exact cause

2. Disable and Re-enable the Service

  • Open the Services console
  • Right-click the affected service and select “Stop”
  • Right-click again and select “Start”

3. Registry Modification

  • Open the Registry Editor (regedit)
  • Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\
  • Change the value of the “Start” registry key to “2” (Automatic)
  • Restart the computer

Conclusion

By following the solutions outlined in this article, you can effectively resolve Error Code 1056. To prevent future occurrences, ensure regular maintenance by updating drivers and software, monitoring system logs for potential errors, and avoiding abrupt system shutdowns or restarts.