Vb6tmpltlb -

vb6tmpltlb is a COM type library (TLB) naming pattern associated with Visual Basic 6 projects that use templates or generated type libraries. It often appears when VB6 generates intermediary type libraries for ActiveX/COM components, especially during automation, interop, or when using template-based code generation. The name can surface in registry entries, project folders, or generated .tlb files and may look unfamiliar to developers maintaining legacy VB6 applications.

Type libraries like act as a bridge between the VB6 IDE and the underlying system components. They allow the compiler to understand the "contract" of a component without needing the source code. vb6tmpltlb

When you compile your project to an EXE or DLL, the VB6 compiler (C2.exe, or the internal compiler) queries all referenced type libraries. Among them is vb6tmpltlb . If the compiler cannot find it, you will see cryptic errors like: vb6tmpltlb is a COM type library (TLB) naming