@Risk/DTS Error: "Automation error: %1 is not a valid Win32 application"

Check C:\ for a zero-byte file named "Program" (enable hidden files in Explorer). Delete it if found. If missing or issue persists, see MS KB on Event ID 7000.

Dec 10, 2025
Knowledge

Title

Answer

Applies to:
All products

Error:
"Automation error: %1 is not a valid Win32 application"

Solution:

Check in the root folder of the C: drive for a zero-byte file called Program.
1. You may need to change Explorer options so that you can view hidden files and folders.
If you are able to locate the file, delete it.

If the file doesn't exist, or if deleting it doesn't solve the problem, see Event ID 7000 and "%1 Is Not a Valid Win32 Application" Error Message When You Start a Service in Microsoft's Knowledge Base.

URL Name

automation-error-1-is-not-a-valid-win32-application

@Risk/DTS Error: "Automation error: %1 is not a valid Win32 application"

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