The latest version of the software is currently 4.1.0.1728, the version you are running seems an older version, as the screenshot you sent is from an older version. The most current version contains a bug fix relating to this exact issue of the initial setup running very long and possibly freezing.
Also, if you are running any anti-virus or anti-malware product in your computer, please use their whitelisting / exclusion list feature to whitelist / exclude jv16 PowerTools from being scanned. If you have an active anti-virus / anti-malware product running in your computer, it's real time protection feature intercepts all system access calls by running software. In the case of a systems utility software like jv16 PowerTools, if an anti-virus product blocks and analyzes each of its calls, you can see that it would make the software run extremely slow, this is why it is very important to configure your anti-virus / anti-malware product in a way it does not intercept everything jv16 PowerTools does.
