That sounds like PostgreSQL is not installed on your system and you'll need to install it manually:

Guide: How to Uninstall/Reinstall PostgreSQL (Mac)

Are you starting PokerTracker 4 and your poker site software using Windows administrator privileges? If not you'd need to be. Does this happen at all poker sites you play or just one? Did you change any settings in your poker site lobby just before the trouble started? Do you have have Logitech SetP...

Thanks for the update. If you have not already done so I would make sure to follow the instructions given in the Security Software Configuration Guide to set PokerTracker 4/PostgreSQL exceptions in your security software.

What are the two sites?

Please open a Support Ticket and report your problem so that we can see what is going on.

That sounds like they would be a member of the iPoker network and we have a guide for getting things setup with iPoker sites here:

iPoker Configuration Guide

Something may be preventing PostgreSQL from starting when your computer does so if you're using any security software (such as antivirus, firewall), please make sure to follow the instructions given in the Security Software Configuration Guide . Next locate and delete the postmaster.pid file if it i...

We don't currently have a tutorial for that. For some further explanation please refer to this thread and if you have any further queries let us know.

Please open a Support Ticket along with a link to this thread and report your problem so that we can investigate further.

Click on the "Filters" link, select "Add New Expression Filters" and turn off "Filter on Active Player".