Error 1723. There is a problem with this Windows Installer package. A DLL required for this install to complete could not be run. Contact your support personnel or package vendor. Action pvswCA_CallGetSourceDir, entry: GetSourceDir, library: %temp%\<generated_temp_file_name>.tmp

1. From Control Panel - Programs and Features, uninstall if they’re present
Microsoft Visual C++ 2015 Redistributable (x64) – 14.0.24210
Microsoft Visual C++ 2015 Redistributable (x86) – 14.0.24210

2. Installeer de vc_redist.x86.exe en vc_redist.x64.exe uit deze map 
Of
Rename PSQL-Workgroup-13.00.012.000-win.exe to PSQL-Workgroup-13.00.012.000-win.zip and extract the contents.  Manually install both of these updates from from
\Data\ISSetupPrerequisites\{3F2C700D-9B73-4640-913E-E27AAD31C501}\vc_redist.x86.exe
\Data\ISSetupPrerequisites\{CDFB5697-9EEA-4072-BCF5-1BECAAB68E47}\vc_redist.x64.exe

3.  Reboot.

4.  Re-run the PSQL install.
