The MSN Messenger 81000306 error usually occurs when you try to sign on when one of the following is true:
- There is a problem with your Internet connection.
- The MSN Messenger service is not currently available.
- There is some problem with the MSN Messenger proxy settings.
- On Windows Vista, the Auto Tuning Networking feature is causing problems.
- There is a problem with your router-if you are using it.
To troubleshoot MSN Messenger 81000306 error, you may follow the troubleshooting steps listed below:
Step 1: Ensure that you are connected to the Internet.
Open your Internet Explorer and try to open a few Web sites. If you are unable to open them, check the Internet/Network settings. If everything is right there, you may have to contact your Internet Service Provider (ISP) to ensure that everything is working on their end.
Step 2: Ensure that the MSN Messenger service is currently available.
The error may generate when there is a problem with the MSN Messenger service itself at the time you are trying to sign on. To ensure that the service is working, check the Messenger service status page. If this web page reports problems with the service, then wait for some time and then try to connect again later when the service is available. However, if the service is up and running, proceed to the next step.
Step 3: Clear MSN Messenger proxy settings.
- In your MSN Messenger window, display the Tools menu and then select Options.
- In the left navigation pane, select Connection.
- Next, in the Connection Settings section, click Advanced Settings.
- Remove the information related to SOCKS proxy.
- Save and exit the Settings dialog box.
Try to connect to MSN Messenger. If you still cannot connect, proceed to the next step.
Step 4: Disable the Auto Tuning Networking feature on Windows Vista.
- Open Command Prompt as administrator.
- Type the following at Command Prompt and then press Enter to disable the Auto Tuning Networking feature.
netsh interface tcp set global autotuninglevel=disabled
Try to connect to MSN Messenger. If you still cannot connect, proceed to the next step. However, before proceeding, re-enable the Auto Tuning Networking feature by running the following command at Command Prompt.
netsh interface tcp set global autotuninglevel=normal
Step 5: Update the Firmware
If your PC connects through a router, then visit the Website of its manufacturer and update to the latest firmware.
Step 6: Check system for malware infections.
Many computer problems occur if your system is infected with a virus or spyware. Therefore, it is recommended that you use reliable antimalware tools, such as STOPzilla Antivirus and Spyware Cease and then perform a thorough full system scan. Before proceeding, ensure that your tools are updated with the latest definitions.
Step 7: Repair your registry.
The MSN Messenger 81000306 error and many other computer errors may occur due to a damaged and fragmented registry. This is the reason why, it is recommended that you use a good registry tool, such as RegServe to perform a thorough scan of the registry and clean all unwanted information from it.