They are currently updating a patch w/ a new patcher so now you'll get the "Client Version doesnt match" error like the rest of us until the new patch goes live... http://twitter.com/MortalBeta status of the patch .
Downtoearth is right but let me elaborate... I created a Folder C:MO and unpacked the contents inside and started the install and pointed the install to the MO folder and it works... Previously i had it pointed elsewhere and it tries to patch a 50…
1.DAoC (PVP those were the days , many awesome memories of this game )
2.CoH (Character Creation, Grouping and Powers)
3.DDO (Dungeons,Traps and overall feel of the game)
4.Guild Wars (Solid Game)
5.WoW (hate to say it but it was fun for aw…
you dont have to back them up . There saved on the server side. So once you reinstall your GW/WOW and login you will DL the info and be back to normal..