It seems 5-10 MB of ROM is unreadable .Thats why you couldnt create files in /system/etc or anywhere in /system .
In some cases Link2SD faulted ,in others the system was totally locked (S-O!!
Anyway ,started and patched from scratch should work now
You can download from the new Arkas-Box.net widget .(Which is a pain like all cloud storages and will be removed )
The new Mediafire Link
Need to check whether the display bug exists or not .