Display configuration not working

Briefly describe your issue below:
I just installed Parrot Security KDE on my Virtual box but the display configuration is not working for me.

What version of Parrot are you running? (include version (e.g. 4.6), edition(e.g. Home//KDE/OVA, etc.), and architecture (currently we only support amd64)
4.8 KDE amd64

What method did you use to install Parrot? (Debian Standard / Debian GTK / parrot-experimental)
Debian Standard

Configured to multiboot with other systems? (yes / no)
No

If there are any similar issues or solutions, link to them below:

If there are any error messages or relevant logs, post them below:
log file

Link to my screen record:

Thanks in advance.

Have you installed vbox guest additions?

Actually no need to install vbox guess to change screen resolution. There must be something wrong with his graphic driver.

he sets a resolution that normally without guest additions can’t set