Use a trusted registry cleaner or manually search the Registry Editor ( regedit ) for the string 78081g503 . Delete the keys that point to non-existent file paths. Warning: Always back up your registry before making manual changes.
A user on a PLC programming forum reported the "78081g503.ic655 not found" error after upgrading from Windows 7 to Windows 10. The error appeared when launching a legacy Siemens Simatic S7 application. 78081g503.ic655 not found
— likely a technology library name or a PDK (Process Design Kit) cell/view name. Format suggests a proprietary TSMC, UMC, or similar foundry library (e.g., tcbn65gplus style, but here 78081g could be a project/library prefix). Use a trusted registry cleaner or manually search
When you see the "not found" status, the system's execution path has been interrupted because a core dependency is missing. Common Causes of the Error A user on a PLC programming forum reported the "78081g503
Use your operating system’s search tool to look for *78081g503* or *.ic655 . On Windows: