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This document shows common issues and solutions to any problems a user can meet.

Pentesting tool from menu opening terminal with no output in VirtualBox

When you search for a pentesting tool, like Nmap, in Application Menu or by Red/Blue Team Menu in GNOME, where the terminal is invoked but with no output, just go to the Virtual Machine settings and disable 3D Acceleration.

Virtual machine freezes randomly after a while in VMware Workstation Pro 17.x

Uninstall VMware Workstation 17 and download from VMware website.

Then, open VMware Workstation, right-click on the virtual machine object -> Manage -> Change Hardware Compatibility… and select Workstation 16.x, on the next window select Alter this virtual machine, apply these changes and run the virtual machine.