🎮 Common Scenario: Are you experiencing Error 1152 while launching or installing Call of Duty: Warzone? The solutions below directly address the system interactions specific to this application.
Restart the Service and Its Dependencies: Press Win+R, type services.msc, press Enter
👇 See all 3 solutions belowThe Ultimate Auto-Fix Script
Download our advanced, custom-built Smart Diagnostic Script (.bat). It safely creates a System Restore Point, applies targeted fixes based on advanced diagnostics for Error 1152, and generates a detailed HTML repair report.
What is Error 1152?
Windows System Error Code 1152, known as ERROR_RMODE_APP, is a Configuration error that occurs during system configuration and registry. The error indicates that: Cannot start more than one instance of the specified program. When this error is encountered, the Windows operating system was unable to complete the requested operation within the configuration management subsystem. The error code 1152 is returned by the GetLastError() function and provides developers with a specific identifier to diagnose the root cause of the failure. The symbolic name ERROR_RMODE_APP maps directly to this numeric code and is commonly referenced in Microsoft documentation, developer forums, and system logs. Understanding this error and its context within system configuration and registry is essential for effective troubleshooting.
Common Causes
- The service's executable file is corrupted or missing
- A dependent service failed to start first (dependency chain broken)
- The service account credentials are incorrect or expired
- Another program or malware disabled the service
Diagnosing Memory Management and RAM Faults in Windows 10 & 11
An encyclopedia on diagnosing physical RAM defects, virtual memory (paging file) corruption, and resolving MEMORY_MANAGEMENT BSODs.
Read the full guide →Step-by-Step Solutions
- Press Win+R, type services.msc, press Enter
- Find the service mentioned in Error 1152 (ERROR_RMODE_APP) message
- Right-click → Properties → check 'Startup type' (should be Automatic)
- Click the Dependencies tab to check if dependent services are also running
- Right-click each dependency → Start, then start the main service
Video Tutorials
Diagnostic Command
Run this PowerShell command to find related events in your system log:
Get-EventLog -LogName System -Newest 20 | Where-Object {$_.Message -like "*1152*" -or $_.Message -like "*ERROR_RMODE_APP*"} | Format-List💡 Open PowerShell as Administrator, paste the command above, and press Enter.
Prevention Tips
- Never disable Windows services unless you fully understand their dependencies
- Use Windows Event Viewer to monitor service crashes proactively
- Create a System Restore point before making service configuration changes