Need to see who did what? You can use the 'Audit Log'!
IMPORTANT NOTE: The Audit Log is only accessible via the RTOADM user 

The 'Audit Log' is found under the 'Tools' menu in PowerPro 

From here you can view a very basic log of user activity including:
Clients - deleted, new and updated 
Connections - logins/logouts
Contact Log - delete
Course - updates 
Enrolments - deleted 
PowerQR - credit top-ups 
Results - updates
Units - imported
Web - syncs 
Web Enrolments - enrolments 

Your Audit Log might look like the below example:

 

Please reach out to the friendly PowerPro support team if you need any further assistance!