: Resolves long-standing UI issues, such as ComboBox selection bugs and high-contrast rendering problems. Microsoft Support System Requirements for Windows 7 (32-bit)
You have a beta or preview version of .NET Framework 4.8, or an older version is corrupted. Fix: microsoft net framework 4.8 32 bit windows 7
Overview Microsoft .NET Framework 4.8 is a Windows software framework that provides a large library and runtime (CLR) for building and running managed applications. On Windows 7 (32-bit), .NET Framework 4.8 enables compatibility with modern .NET apps, improves performance, reliability, and security, and offers updated cryptography and JIT/compiler improvements. : Resolves long-standing UI issues, such as ComboBox
This is a common point of confusion.