OK, First off if you have it follow instruction #2. If not follow along first Download this:uploading.com cache.rar
Its the cache, Put in in your C:/ (my computer>C:/) then exit and reload it should work!
Before you post a thread about the error loading screen please try the following:
1.Exit out all of your browsers.
2.Open up your C:/ (Can be found by going to My Computer.)
Delete the file hybridpvpnetcache from your C:/
3.Try to load the client again
If you encounter further problems please post a thread with a detailed explanation of what is happening.