Microsoft .net Framework V4.0.30319.1 -

The IT director screamed. Microsoft Support was called. The ticket was escalated twice.

"Hey, you know .NET 4.0.30319.1?"

But this was version . Specifically, the build that shipped with Windows 7 SP1. The one that had a particular, subtle bug in the System.Data namespace when handling legacy ODBC drivers from 2009. Microsoft .NET Framework v4.0.30319.1

The packet contained exactly four bytes: 0x4E 0x45 0x54 0x00 — "NET" and a null terminator. The IT director screamed