45-second delay when you run a full-text query

Microsoft Full-Text Engine for SQL Server (MSFTESQL) tries to load the word breaker related to the query which in turn requires an Internet connection

Also, MSFTESQL unloads a word breaker that is not been in use for 300 seconds to reduce resource consumption. Hence,from the next time that the work breaker is loaded, signature verification is required again.

Microsoft Support