Please make sure you have implemented the below steps:
1. Allow windows defender for OMMA App & other anti-virus software
You should allow for OMMA App on Windows defender & other anti-virus software. We explained how to do it on Windows Defender below, interface may vary for other software.
Go to Start > Settings > Update & Security > Windows Security > Virus & threat protection.
Under Virus & threat protection settings, select Manage settings, and then under Exclusions, select Add or remove exclusions.
Select Add an exclusion, and then select OMMA.
2. Run OmmaSign App
You will see Ommasign App on your desktop. Double click to open the application.
If it appears, click Allow access for Windows Firewall prompt. You must allow access for any Firewall software you use.
You will see registration screen with 6-digit token on your device. Use this token to register your device to OMMA Panel.
Continue with below articles to register your device on OMMA Panel:
Detailed feature support by OS