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You should see: DllRegisterServer in threed32.ocx succeeded.
Open the , type "cmd" , right-click Command Prompt , and select Run as Administrator . threed32.ocx sua
Most plausibly, the user intended (silent unregister) or regsvr32 threed32.ocx /s but typed sua accidentally. You should see: DllRegisterServer in threed32
If threed32.ocx is missing or not properly registered, legacy applications (e.g., old inventory systems, educational software, engineering tools) may display: right-click Command Prompt
A dialog box should appear stating . Advanced Troubleshooting
⚠️ : OCX files can contain executable code. Only download from trusted sources (original VB6 CDs, Microsoft archives, or known safe repositories).
