SET LOGGING TO SIMPLE
If you want to prevent further growing you need to set your database logging to simple (but only if you do Full Backups of your database!).
- Right click on your database
- Choose Properties
- Choose Options
- Set Recovery mode to simple
SHRINK THE DATABASE
- Open up Sql Management Studio
- Right click the database, Tasks > Shrink > Files.
- Under File Type, choose the the log file. Be sure to mark option
Release unused spaceas the shrink action, click OK.