If you’ve compiled/re-compiled an ADO application on a Windows 7 Service Pack 1-based computer and the app does not run on down-level operating systems with the any of the error messages below, please see our new KB article published today (16th of March, 2011) : Error message 1 REGDB_E_CLASSNOTREG (0x80040154) Error message 2 E_POINTER (0x80004003) […]

Read More → REGDB_E_CLASSNOTREG (0x80040154), E_POINTER (0x80004003), E_NOINTERFACE (0x80004002), Unable to cast COM object of type ‘System.__ComObject’ to interface type ‘ADODB.Connection’ error codes/messages

Our KB article http://support.microsoft.com/kb/815112 clearly states this. Then, you may ask me “Why this guy is repeating the documented thing in this blog post ?”. Answer is simple, we do see lots of issues coming from our customers about this and I want to mention about this point in this blog too just thinking that I […]

Read More → Use of MSXML (MSXML3, MSXML4, MSXML6 our COM component libraries) in .NET applications are not supported