iVend 6.5 update 6 with SAP B1.
Failed to retrieve the COM class factory for the component with CLSID
While generating Store database backup generated, getting error and log states
Failed to retrieve the COM class factory for the component with CLSID .100202C1-E260-11CF-AE68-00AA004A34D5 (due to the following error: 80040154 Unregistered class (HRESULT exception: 0x80040154 (REGDB_E_CLASSNOTREG)).</Message>
Check for .net framework installed on the machine, and if it's different than suggested with the hardware specification guide then need to get it updated as per document.
According to Hardware Specification guide of iVend 6.5 update 6-
.Net Platform recommended or operation, Microsoft .NET Framework 3.5 and Microsoft .NET Framework 4.6.1