{830d8cbd-c668-49e2-a969-c2c2106332e0}.loc belongs to the Norton AntiVirus software. It is part of Norton’s function and is not harmful. Even harmless files, however, can cause problems with your registry.
One problem may be if this file points to a wrong or outdated version of a hardware or software application. In the case of {830d8cbd-c668-49e2-a969-c2c2106332e0}.loc, the file itself may be outdated, or your version of Norton may be in a different place.
It is also possible that you no longer have Norton on your computer, yet this process file is still there. The file could be corrupted by a virus or similar program, or a malicious file might be trying to disguise itself as {830d8cbd-c668-49e2-a969-c2c2106332e0}.loc.
A registry scan with a good registry cleaner should let you know what the problem is. A good registry cleaner will then either fix your problem, or else tell you where you can locate the needed files. SpyZooka offers free scans for anyone who needs to check their computer.