The 10.7.0 agent was shipped with the 10.7.1 release. The agent located in the windows_agent share will be the 10.7.0 agent.
To update the agent located in the windows_agent share, run the following commands:
mv /backups/AgentUpgrade/Agents/Windows/Unitrends_Agentx64.msi /backups/AgentUpgrade/Agents/Windows/Unitrends_Agentx64.old.msi
cd /backups/AgentUpgrade/Agents/Windows/
wget https://bpagent.s3.amazonaws.com/latest/windows/Unitrends_Agentx64.msi