Reset the password for the LinuxMCE Admin site
My device is not started properly
svn default properties
Adding new computing apps
Installing on a new platform
Windows|Installer for Windows
AVWizard#How_A.2FV_Wizard_Starts|After installation my screen is black
Testing and troubleshooting devices
MDs Do Not Network (PXE) Boot
Internal and External networks swapped/not working
Orbiter cannot register with the router. please try again later.
I've seen this error before if the Asterisk was disabled:
go to the web admin page (type your core's IP in a browser) and from the upper menu, choose wizard / devices / core and see if the 'Asterisk' check-box is checked.
Once I've checked it again, at the next reload, the error dissappeared.
But it might be another reason for it, too. 
maybe this will do the trick:
1. clean apt-get: apt-get clean
2. go to /var/lib/apt/lists and do mv lock lock.old.
then , rerun the installer. 
How to change LMCE's DHCP settings
Go to Web Admin -> Advanced -> Network -> Network Settings 
If you go to the "devices tree" in the LinuxMCE Admin Website you can see that the top level devices have MAC- and IP- addresses specified 
LMCE loses its Network connection during the install
- Just go to a terminal and sudo ifdown eth0 and sudo ifup eth0 this should reconnect to internet. 
- To solve this just re-boot and re-start the LMCE installer when it loses connection, then it'll go all the way through. 
- Do sudo apt-get install arping before starting the LMCE installer, reboot first and make sure you are still connected to the net. 
The installer downloaded from the website doesn't work
Make sure you are using the MCE installer from the CD's Not from the link on the web site, the one the web site is for ubuntu 6.10
If you used the one from the link on the website. Delete the install script and install the one from the CD. 
Applications are not started (Slimserver, Asterisk, ..)
Make sure you have a supported soundcard in the core. The AppServer device segfaults if amixer fails to detect the mixer. The fix involves adding a sound care or added a fake sound card as below:
Make it permanent by adding snd-dummy to the end of /etc/modules by
and adding snd-dummy to bottom of file.
SPDIF output only gives sound with Dolby Digital (no PCM)
Verify your mixer settings with e.g. "kmixer". Dolby Digital is not affected by the volume setting as it uses "ac3 passthrough".
Generating Orbiter suddenly slows down at some point
Set fs.file-max=200000 in /etc/sysctl.conf and run sysctl -p
The settings in AVWizard are not good and X is crashing
Reboot the computer and press SHIFT when you hear the descending beeps. The AVWizard will start again.