Agent installation fails on prerequisites installation with error: "Installation of prereq CRT 2015 (x64) ENU failed with error code: (1638) Another version of this product is already installed." The issue may be with Microsoft Redistributable 2017 (x64) overwriting Microsoft Redistributable 2015 (x64).
Checking Control Panel, Programs and Features - there's no VC runtime 2015 installed in the list.
This defect is resolved in Rapid Recovery version 6.4 or newer.
If you have an older version you can workaround the defect by doing the following:
- open Control Panel, Programs and Features
- uninstall Microsoft Visual C++ Redistributable 2017 x64
- install agent software with all pre-requisites
- Upgrade Microsoft Visual C++ 2017 x64 with a later version again, if required.