Ok here are other steps you guys can try lets hope it works.
1. Run CCleaner, choose Cleaner & Registry Options
2. Turn of your Anti Virus Temporary
3. Clear your internet Cache
4. Delete the Update.Txt file inside the TO folder
5. Check if your Hard Drive has lots of free space
6. Restart your Computer
7. Try patching again
Let me know if it works for you guys or not, so we can find other solutions, This guild update sure messed up a lot of things including patching the client.