Problem:
GeoCue installation reports the error. “String variable is not large enough for string. Check the string declarations. Error 401.“
Probable Resolution #1:
This is caused by path environment variable being too long (over 1024 characters). This can be resolved by changing/altering the path. The user can see/set it by typing path at the command prompt or it may also be configured as below in the System Properties -> Environment Variables -> System Variables: