For starters. The facts window displays overlapping when there is more than 1 screen, and they differ in resolution (image1). This one happened with a resolution of 1920x1080 and the main screen being 1366x768.
Secondly, the facts window displays %1 etc values at seemingly random (image2).
Which version of WhatPulse are you running?
What Operating System are you using? Please include the OS Architecture (x86 or x64).
Windows 8.1 Pro 64-bit (6.3, Build 9600)
If you are using Windows, do you have WinPcap properly installed?
If you are using version 1.6 or higher, are you logged into an administrator account on Windows so that WhatPulse can access Windows correctly?
What programs were you running when the issue happened? VM-ware and certain higher-privilege programs (antivirus) may cause compatibility issues.