product affected: MapInfo Pro™
Issue
MapInfo Layer Control text is appearing as squares as shown below

Cause
This is a problem with the version of .NET Framework.
Resolution
UPDATED: December 4, 2019To resolve:
- Uninstall MapInfo Professional via Start > Control Panels > Add/Remove Programs
- Uninstall all versions of .NET using the .Net Framework cleanup utility available at: http://blogs.msdn.com/astebner/pages/8904493.aspx
- Reinstall .NET 3.5 SP 1 from http://www.microsoft.com/en-gb/download/details.aspx?id=22
- Reinstall MapInfo Pro
***Please note the above steps are specific for MapInfo Pro 10.0. For later versions of MapInfo Pro you will need a later version of .NET Framework, please refer to the Installation Guide for you version of MapInfo Pro***