Hi there! I understand your i-Security app isn't connecting to your camera. Let's work through this together. To get started, could you tell me a bit more about what's happening? For example:

- Do you see any error messages in the app when trying to connect?
- Is this the first time you're setting up the camera, or has it connected before?
- Are you trying to connect over Wi-Fi or a wired network?
- Have you recently made any changes to your network or device?

This info will help me guide you better.

In the meantime, here are some common steps to troubleshoot an i-Security app connection issue with a camera:

1. Restart your devices: Power off and on your camera, your router, and your Windows device to refresh their network connections.

2. Check camera type in the app: Ensure you have selected the correct device type in the app (e.g., Recorder, Camera, ONVIF camera) as incorrect selections might cause connection issues.

3. Proximity to router: Make sure the camera is within range of your router and avoid physical obstacles that weaken Wi-Fi signal. Sometimes placing the camera in the same room as the router during setup helps.

4. Network settings: Confirm your router’s Wi-Fi is working and your Windows device is connected to the same network. Also, check the router settings don’t block the camera (some routers have security controls that block new devices).

5. App restart: Close the i-Security app completely (remove it from running apps), then reopen it and try connecting again.

6. Firmware/App updates: Check for updates in your i-Security app and camera firmware. Updates often fix bugs causing connection problems.

7. Try pairing again: If setup accepted a previous attempt, restarting the entire setup process helps sometimes.

If you've tried any of these already, please let me know which ones and what happened so I can suggest the next steps. Looking forward to your reply!