Article 3.1.2E : Elnet v5.3 - Installation / Uninstallation - "Error code 2503"
Follow the below steps to overcome the issue.
Solution :
1. C:\windows\Installer
Check the Installer files
2. Clear Temp Directory files ( ie : C:\windows\temp ) .
3. Run below commands
1 - msiexec /unreg
2 - msiexec /regserver
4. Reboot Computer / Server
5. Install Software
Note : Administrator rights needed & ensure Installation folder has rights (everyone).
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