We are greatly sorry about any issues that people may of had trying to update Project Z, but we have found that the ReadMe text file hadn't been included in the latest launcher pack. I have now changed the file and the file should now be included, but you don't have to re-download the pack, the information will be posted below. Sorry for any inconveniences.
--Readme--
------------------Installation------------------
1. Extract all files anywhere
2. Launcher the launcher
3. Play
------------------How to Update------------------
1. Open Launcher
2. Click Search for update
3. When download is finished, copy it to C:\Project Z\
4. Open launcher
5. Play