1. Check the installed softwares and check of NGT was installed before being removed
2. check using powershell if the NGT Infra Component Packages are still present after removing the "old" NGT:
Get-wmiobject -class win32_product -filter "Name = 'Nutanix Guest Tools Infrastructure Components Package 1'"
then remove it:
Get-Package -Name "Nutanix Guest Tools Infrastructure Components Package 1" | Uninstall-Package -Force
3. clean the registry in HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall and "find" Nutanix - delete the key.
4. Reinstall NGT