Microsoft has released an updated .NET framework repair tool.
The tool now supports Microsoft .NET Framework 4.8, 4.7.2, 4.7.1, 4.7, and 4.6.2. Therefore, fixing and repairing are also applicable to these products.
The tool supports all the features from the previous release as-is.
See Microsoft .NET Framework Repair Tool is available for more details.
--Joe