Added Lan issues stuff

README.md

@@ -99,6 +99,38 @@ New-NetFirewallRule -DisplayName "Minecraft UDP" -Direction Inbound -LocalPort 2
 Get-NetFirewallRule | Where-Object DisplayName -like "*Minecraft*" | Format-Table DisplayName, Enabled, Direction, Action
 ```
 
+## LAN Connection Configuration
+
+### 1. Network Discovery and File Sharing
+
+```powershell
+# Enable Network Discovery
+Set-NetFirewallRule -DisplayGroup "Network Discovery" -Enabled True
+
+# Enable File and Printer Sharing
+Set-NetFirewallRule -DisplayGroup "File and Printer Sharing" -Enabled True
+```
+
+### 2. Check Network Profile
+
+```powershell
+# Get current network profile
+Get-NetConnectionProfile | Select-Object Name, NetworkCategory
+
+# Set network to Private (if needed)
+Set-NetConnectionProfile -NetworkCategory Private
+```
+
+### 3. Verify LAN Connectivity
+
+```powershell
+# Get local IP address
+Get-NetIPAddress | Where-Object {$_.AddressFamily -eq "IPv4" -and $_.PrefixOrigin -eq "Dhcp"} | Select-Object IPAddress, InterfaceAlias
+
+# Test connection to other players
+Test-NetConnection -ComputerName <other_player_ip> -Port 25565
+```
+
 ## Removing Rules
 
 If you need to remove the firewall rules, use these commands:
@@ -116,6 +148,8 @@ Remove-NetFirewallRule -DisplayName "Minecraft UDP"
 - The script will automatically detect Java installations
 - Default Minecraft port is 25565, adjust if using a different port
 - These rules allow both incoming and outgoing connections for Minecraft
+- For LAN games, ensure all players are on the same network
+- Some antivirus software may block Minecraft connections
 
 ## Troubleshooting
 
@@ -139,4 +173,25 @@ Get-Process java | Select-Object Id, ProcessName, Path
 4. Check Java version:
 ```powershell
 java -version
-``` 
+```
+
+5. LAN Connection Issues:
+```powershell
+# Check if Windows Defender Firewall is blocking Minecraft
+Get-NetFirewallApplicationFilter -Program "C:\Users\rob\AppData\Roaming\ATLauncher\jre\bin\java.exe"
+
+# Verify network sharing settings
+Get-NetFirewallRule -DisplayGroup "Network Discovery" | Select-Object DisplayName, Enabled
+Get-NetFirewallRule -DisplayGroup "File and Printer Sharing" | Select-Object DisplayName, Enabled
+
+# Check if port is in use
+netstat -ano | findstr :25565
+```
+
+6. Common LAN Issues:
+   - Ensure all players are on the same network
+   - Check if Windows Defender Firewall is blocking the connection
+   - Verify that Network Discovery is enabled
+   - Make sure the host's computer is not in sleep mode
+   - Check if any antivirus software is blocking the connection
+   - Ensure the host's Minecraft version matches other players' versions