Where did you let the console sit? Did you press the Wii U Menu button after the black screen? Everyone else that has been using my version has been having success.
Crediar has yet to update the master build with a fix, and the version in the 5.3.2/5.4 thread is simply a build of that same old master version from a month ago.
Also, make sure you' installing the title update and not the title, sometimes people get the codes mixed up. A title update should have the first part of the Title ID should be 0005000E-
If you try to install something that is not certified for your system, with incompatible keys, it just won't install and won't show any corrupt data or anything.