Navigate installer fails with database related error or the installer is hanging in ThingWorx Navigate

• ThingWorx Navigate 1.8 installer fails with database related error or the installer is hanging
• If the installer is hanging it it produces a high CPU load

• MSSQL Server:

Deploy ThingWorx Platform...
Executing C:\PTC\ThingworxNavigate\ThingworxNavigate\SubInstallers\ThingWorxMSSQLInstaller\twxFoundationMSSQL-1.0.3-windows-installer.exe
Error running C:\PTC\ThingworxNavigate\ThingworxNavigate\SubInstallers\ThingWorxMSSQLInstaller\twxFoundationMSSQL-1.0.3-windows-installer.exe --mode unattended --accept_eula YES --installdir C:\PTC\THINGW~1\THINGW~1 --NEW_TWX_PASSWORD **** --TWX_PORT 8080 --SSLTWX_PORT "" --CERTIFICATE_ALIAS_NAME "" --CERTIFICATE_ALIAS_PASSWORD "" --INITIAL_HEAP 1024 --MAX_HEAP 2048 --CONFIGURE_SSL 0 --KEYSTORE_FILE_PATH "" --KEYSTORE_FILE_PASSWORD "" --SQL_SERVER_IP_ADDR localhost --SQL_SERVER_PORT 1433 --SQL_SERVER_DB_INSTANCE "" --SQL_SERVER_ADMIN_USERNAME sa --SQL_SERVER_ADMIN_PASSWORD **** --TWX_DB_LOGIN_USERNAME twadmin --TWX_DB_LOGIN_PASSWORD **** --TWX_DB_NAME thingworx --forceInstallDir 1
: Program ended with an error exit code
Problem running post-install step. Installation may not complete correctly

• Postgres:

Deploy ThingWorx Platform...
Executing C:\PTC\ThingworxNavigate\ThingworxNavigate\SubInstallers\ThingWorxPostgresInstaller\twxFoundationPostgres-1.0.3-windows-installer.exe
Error running C:\PTC\ThingworxNavigate\ThingworxNavigate\SubInstallers\ThingWorxPostgresInstaller\twxFoundationPostgres-1.0.3-windows-installer.exe --mode unattended --accept_eula YES --installdir C:\PTC\THINGW~1\THINGW~1 --NEW_TWX_PASSWORD **** --TWX_PORT 8080 --SSLTWX_PORT "" --CERTIFICATE_ALIAS_NAME "" --CERTIFICATE_ALIAS_PASSWORD "" --INITIAL_HEAP 1024 --MAX_HEAP 2048 --CONFIGURE_SSL 0 --KEYSTORE_FILE_PATH "" --KEYSTORE_FILE_PASSWORD "" --POSTGRES_IP_ADDR localhost --POSTGRES_PORT 5432 --POSTGRES_ADMIN_USERNAME postgres --POSTGRES_ADMIN_PASSWORD **** --TWX_DB_LOGIN_USERNAME twadmin --TWX_DB_LOGIN_PASSWORD **** --TWX_DB_NAME thingworx --forceInstallDir 1 
:Program ended with an error exit code
Problem running post-install step. Installation may not complete correctly

• Screenshot: