The dao350.dll file is associated with Microsoft Jet from the Microsoft Corporation. Microsoft Jet is a database engine used by several Microsoft products Greetings, I have a VB.NET application that references a 3rd party Com component. The file is Interop.WINTSRRLIB.dll. My VB.NET application has a project. Jalapeno Keyfinder is a simple utility to retrieve and decrypt your Microsoft serial keys. It also includes support for several non Microsoft software titles. Die Schwierigkeiten mit dem CD-Key in Windows Zur ck zum Index. Nicht selten, sofern man an verschiedenen und fremden Maschinen zu arbeiten hat, taucht die Frage.