

Nexus Mods also updated to the HTTPs protocol. The HTTPs protocol is necessary due to the recent Laws passed in Europe due to which all websites have to use the HTTPs protocol. However, in the newer versions, the HTTPs protocol is used. Protocol Error: In the previous versions of the application the HTTP protocol was being used.This can prevent the client from updating, therefore, resulting in this error. Firewall: Sometimes, the Windows firewall might block certain elements of the application from making contact with the servers.When the Launcher tries to make contact with the servers and write on the hard drive insufficient permissions prevent it from doing so.

Administrative Privileges: In some cases, this error can occur due to the application having insufficient permissions.
