Error Code Portal
MicrosoftWindows Win32Error code

402

ERROR_PROCESS_MODE_ALREADY_BACKGROUND

Alternative forms: 0x00000192 · 0x192 · ERROR_PROCESS_MODE_ALREADY_BACKGROUND · 0x80070192

Code 402 · An issue reported by Windows Win32.

The process is already in background processing mode.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.