If your phone cannot see your PC, you can re-sync your phone and PC as follows:

1. Launch Game Pauser on PC
2. Click the "phone" item in the top banner
3. Click the Settings gear to the right of the phone image
4. Click "Disable Phone Control"
5. Click "Pair my phone"
6. Follow the steps shown on your PC to pair

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If the pairing process fails, it could be due to the Windows Firewall setting. You can fix it as follows:

1. On Windows, click the Start Menu and find "PC Settings"
2. Type "firewall" in the top Search bar
3. Select "Allow an app through Windows Firewall"
4. Click the "Change Settings" button
5. Scroll down to "Game Pauser by Jase"
6. Ensure that there is a tick on the left of "Game Pauser"
7. Put a tick on the right hand side
8. (Private or Public depending on your network config)