If you need, you may try it also ... SFC /SCANNOW : Run in Command Prompt at Boot
Expected that it will revert your windows explorer back to its default state, and you will be able to log on . If still troubles, run Startup Repair
, but most probably it will not be needed.
Run the orb changer as administrator. Browse to the custom ORB you are trying to apply using the program. and click teh apply button. You may need to do it twice sometimes, for the source files being patched.
I use the resource edit method, and it works nicely.