Microsoft .net Framework 4.5 Developer Pack Download =link= -

Corrupt MSI cache or insufficient permissions. Solution:

The pack is a single installation that provides four main components: microsoft .net framework 4.5 developer pack download

A newer or same version of the .NET Framework Developer Pack is already present (e.g., 4.6, 4.7, 4.8). Solution: You do not need to install 4.5 separately if you have 4.6 or newer Developer Pack , as they include multi-targeting for 4.5. Uninstall the current pack if you specifically need legacy targeting (not recommended). Corrupt MSI cache or insufficient permissions