Installing DisplayLink Driver I get a "no login name" error

I have just installed mint 20 xfce and tried to install the driver for my 3rd screen. I used to work on cinnamon and it always worked flawlessly.

Now when trying to install in xfce I get this error:

Quote:

Uncompressing DisplayLink Linux Driver 5.3.1.34 100% DisplayLink Linux Software 5.3.1.34 install script called: Distribution discovered: Linux Mint 20 logname: no login name Failed to get session path: No session 'SESSION' known ./displaylink-installer.sh: line 634: : command not found Installing [ Installing EVDI ] [[ Installing EVDI DKMS module ]] Error! DKMS tree already contains: evdi-1.7.0 You cannot add the same module/version combo more than once. EVDI DKMS module already installed. [[ Installing module configuration files ]] [[ Installing EVDI library ]] cc -I../module -std=gnu99 -fPIC -c -o evdi_lib.o evdi_lib.c In file included from evdi_lib.c:5: /usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h:9:16: fatal error: stdint.h: No such file or directory 9 | # include_next <stdint.h> | ^~~~~~~~~~ compilation terminated. make: *** [<builtin>: evdi_lib.o] Error 1 ERROR: Failed to build evdi/5.3.1.34 library.

Any idea? I tries researching everywhere but I couldnt find no valid directions.