This often means you did not run it as an administrator or that an older version is in conflict. Uninstall any existing runtime versions first.
The development path for Crystal Reports changed significantly over successive development eras: Crystal Reports 10.5 (Legacy) Crystal Reports 13.x / 2020+ (Modern) Visual Studio 2008 Visual Studio 2015 to 2022+ Underlying Version Version 10.5.x Version 13.0.x to 14.x 64-Bit Support Basic MSI redistributables Full 64-bit modern engine upgrades Current Lifecycle End of Life (Legacy Support) Active (64-bit priority) Sourcing the 64-Bit Runtime Download crystal report runtime 105 download 2021 64bit