Update troubleshooting.mdx

src/content/docs/en/support/troubleshooting.mdx

@@ -7,4 +7,8 @@ import ThemedImage from '@components/ThemedImage.astro';
 
 This document shows common issues and solutions to any problems a user can meet.
 
-<ImageComponent />
+### 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.
+
+<ImageComponent />