Changes

There are many different issues that can arise when setting up a system with the level of complexity that goes into configuring Windows to run on-top of GNU/LinuxLooking Glass. Below is a list of known issues with potential solutions:

=== NVIDIA Driver Error/Device Manager Error Code 43 When Launching Looking Glass the Desktop Doesn't Appear ===NVIDIA back in 2014, driver version 337.88 installed *''' Using an AMD GPU? '''** After the end of the Radeon HD Series AMD started incorporating a feature into their GPU's that checked if effectively puts the driver was being installed on an OS within card to sleep when no display is connected. For this reason one of two conditions need to be met.# The GPU needs to remain plugged into a virtual environmentmonitor (this is good for testing & troubleshooting). Still included # The GPU needs to have a plug like the ones used in GPU Crypto mining installed to trick the latest drivers today while doing this check card into thinking that a display is connected. === The Clipboard is not Working ===* '''Did you enable it looks at which GPU is being used ?'''** Before you can Copy/Paste content between the Guest and if itthe Host you must [https://looking-glass.hostfission.com/wiki/FAQ#How_to_enable_clipboard_synchronization_via_SPICE Enable Clipboard Synchronization]* '''Did you install the Spice Guest Tools?'''s not on ** Before you can Copy/Paste content between the Guest and the official support list for use in a VM Host you must install the [https://www.spice-space.org/download.html SPICE Guest Tools driver will refuse to ]. The download is labeled as "spice-guest-tools".***<span style="color: red;">'''NOTE: Do make sure that you do NOT install and Device Manager will report Error 43the QEMU Guest Tools driver. These are not the same.'''</span>* '''Are you using Wayland?'''** Clipboard functionality is not compatible with Wayland. There If you are workarounds using it you need to disable it for thisthe clipboard to work. === Followed Installation Instructions but Looking Glass Still Doesn't Launch ===At times depending on your distribution circumstances can cause Looking Glass to still not run. Below is a list of known issues that can prevent Looking Glass from running properly. Any ==== AppArmor ====AppArmor is a security application that have been known can prevent Looking Glass from running. How to add security exceptions may vary on your distribution:===== Debian(Ubuntu) =====Start by opening the file <code>/etc/apparmor.d/abstractions/libvirt-qemu</code>. Now locate and edit the following lines to work are listed belowrepresent how they appear in the example:<syntaxhighlight lang=text># for usb access /dev/bus/usb/** rw, /etc/udev/udev.conf r, /sys/bus/ r, /sys/class/ r, /run/udev/data/* rw, /dev/input/* rw, # Looking Glass /dev/shm/looking-glass rw,</syntaxhighlight>Save, exit, and restart AppArmor:<syntaxhighlight lang=text>sudo systemctl restart apparmor</syntaxhighlight>