Installation problem.

Am using windows 10-64bit and installed postgresql-12.0-1-windows-x64 as i
installed i disabled microsoft firewall and realtime protection and still
got the following error

Script stderr:

Could not find registry key
HKEY_LOCAL_MACHINE\SOFTWARE\PostgreSQL\Installations\postgresql-x64-12 Base
Directory. Setting variable iBaseDirectory to empty value
Could not find registry key
HKEY_LOCAL_MACHINE\SOFTWARE\PostgreSQL\Installations\postgresql-x64-12
Branding. Setting variable iBranding to empty value
Could not find registry key
HKEY_LOCAL_MACHINE\SOFTWARE\PostgreSQL\Installations\postgresql-x64-12
Version. Setting variable brandingVer to empty value
Could not find registry key
HKEY_LOCAL_MACHINE\SOFTWARE\PostgreSQL\Installations\postgresql-x64-12
Shortcuts. Setting variable iShortcut to empty value
[21:32:36] Using branding: PostgreSQL 12
Could not find registry key
HKEY_LOCAL_MACHINE\SOFTWARE\PostgreSQL\Installations\postgresql-x64-12
SB_Version. Setting variable sb_version to empty value
Could not find registry key
HKEY_LOCAL_MACHINE\SOFTWARE\PostgreSQL\Installations\postgresql-x64-12
pgAdmin_Version. Setting variable pgadmin_version to empty value
Could not find registry key
HKEY_LOCAL_MACHINE\SOFTWARE\PostgreSQL\Installations\postgresql-x64-12
CLT_Version. Setting variable clt_version to empty value
Could not find registry key
HKEY_LOCAL_MACHINE\SOFTWARE\PostgreSQL\Installations\postgresql-x64-12 Data
Directory. Setting variable server_data_dir to empty value
Executing C:\Users\Lugano
Abel\AppData\Local\Temp/postgresql_installer_ea02e88350/temp_check_comspec.bat
Script exit code: 1

Script output:

Script stderr:
The system cannot find the path specified.

Error running C:\Users\Lugano
Abel\AppData\Local\Temp/postgresql_installer_ea02e88350/temp_check_comspec.bat
: The system cannot find the path specified.