Error code 0x800c8101 typically relates to problems encountered in the Windows Mail or Windows Live Mail application. It is often accompanied by an error message that states, “Unknown Error Occurred” or “There was an error initializing MAPI.”
Disable antivirus and firewall temporarily:
Temporarily disable your antivirus software and firewall to determine if they are causing the issue.
If the error disappears, consider adjusting the settings of your security software to allow Windows Mail or Windows Live Mail to function properly.
Repair Windows Mail or Windows Live Mail:
You can attempt to repair the email client by using the built-in repair feature.
1.Go to the Control Panel.
2.Select Programs, and then choose “Programs and Features.”
3.Locate Windows Mail or Windows Live Mail from the list of installed programs.
4.Right-click on it.
5.Select “Repair” or “Change.”
Conclusion:
If none of the above solutions resolve the error, it may be necessary to seek further assistance from a technical expert or contact Microsoft Support for specialized guidance.