Based on the information provided in the image, what is the most likely reason for this install error?

While using the Sitecore Install Assistant (SIA), you encounter the error below:

Based on the information provided in the image, what is the most likely reason for this install error?
A . The Sitecore instance username/password were incorrect.
B. The Solr install path was set incorrectly.
C. The Solr service was stopped.
D. The SQL server username/password were incorrect.

Answer: B

Explanation:

Reference: https://doc.sitecore.net/sitecore_experience_platform/82/setting_up_and_maintaining/xdb/c onfiguring_servers/sitecore_installation_assistant