# FAQ (Frequently Asked Questions)

## Windows specific

Q: I am getting font/glyph-related messages such as the following:

    ** WARNING **: Couldn't load font "MS Sans Serif 8" falling back to "Sans 8"

    ** ERROR **: file shape.c line 75: assertion failed: (glyphs->num_glyphs > 0)

What to do ?
A: the fix is to open your `C:\Program Files\Shared Files\Gtk\2.0\etc\gtk-2.0\gtkrc` and to add the following lines:

    {
    font_name="Arial"
    }
    widget_class "*" style "user-font"

This forces GTK+ to use a compatible font (Arial) and reportedly fixes both the aforementioned problems, and probably others too...

Q: When I try to run the program, an error message appears on the screen saying it could not locate a dll file or that entry point is missing.
A: Be sure you installed the right GTK+ libaries. If unsure, uninstall them. Next, install TiLP again and request to download library when installers prompts for it.

## Linux specific

Q:

    Hi,
    I'm using tilp2-1.00 on gentoo linux.
    xeelvr / # tilp2
    ticables-INFO: Check for parport usability:
    ticables-INFO: node /dev/parport0: exists
    ticables-INFO: permissions/user/group: -rw-rw---- root root
    ticables-INFO: is user can r/w on device: yes
    ticables-INFO: is useable: no
    tilp-INFO: Msg: illegal operation or argument.
    Cause: the program which uses this library is buggy. Fire-up the developer!
    System: Inappropriate ioctl for device (errno = 25)
    tilp-INFO: tilp_device_err caught error 51
    Do you have any idea ?

A: check that your kernel has support for parport and ppdev. Your linux kernel .config file must contains at least:

    CONFIG_PARPORT=y
    CONFIG_PARPORT_PC=
    CONFIG_PPDEV=y>

That's all !