.NET is a framework component Microsoft uses to interface programs through Windows.
QuickBooks/ProSeries/Lacerte uses .NET for many areas of the program. Different versions of .NET are used for different releases of QuickBooks Desktop. Sometimes, .NET framework can become corrupted, which may prevent QuickBooks Desktop from installing, opening correctly, or functioning properly
You may get the following errors if .Net framework is damaged:
- Error 1603
- Error 1903
- Error 1722
- Error 1904