Virtual box extension pack

having problems with the display resolution with virtual box install this in your windows 7 virtual machine and you are done!!! https://mega.nz/#!3ANxWazC!H9p-qNXjCANuk8EY3g6drEd5UkhGvcrh-rl_Ok8-k3Y and this https://mega.nz/#!aF0AwIxQ!A_tFNzj9-bs1h3wUra99j3UKXvBYsbUKsP_2xZNSN40