Drake,
In my opinion the instructions to install the megamod are well explained. Obviously you are not following the installation steps properly...
Please, read the instructions of the first post again (including the links to explain the mod enabler and TDW GenericPatcher) and follow those instructions carefully. The megamod works very well if you follow the instructions properly.
And thank you very much for this excellent megamod, Vecko, I really like it !!! Your work is much appreciated
Txema