Since this is still Alpha, this will probably crash or break. A lot. Check here for any possible solutions:
"Unsupported Operating System"
You need to use Windows 7 or greater. Support for Linux or OSX is planned, but low-priority.
"Could not find 'ildasm.exe'"
You need Visual Studio. Press OK and RoboHacker will open a website in your browser. On this website, click "Download" and select the .exe file ONLY - you don't need the .iso file. Then, once it finishes downloading, run it to install Visual Studio 2012. When it finishes, relaunch RoboHacker. If the problems continue, PM me.
"Could not find ilasm.exe"
For whatever reason, you seem to be missing the .NET framework. Windows usually ships with it. You can find the download for whatever version you want on Google.
"Could not find a Steam installation"
RoboHacker couldn't find Steam at its usual install area. This will probably occur if you installed Steam somewhere else. To fix it, check
this post.
"Could not find a Robocraft installation"
RoboHacker couldn't find Robocraft at its usual install area. If you have it installed in another location and would like help, PM me.
"The following hacks failed to load: ..."
Some hacks couldn't be loaded. They may be outdated or just written wrong. PM me.
"An error was encountered while generating the client."
There are many reasons this could happen. PM me.
"An error occurred while installing."
There are many reasons this could happen. PM me.
"Some hacks failed to install. ..."
This is shown when RoboHacker cannot install a selected hack for whatever reason. It is usually due to either a recent game update that broke the hacks, or attempting to install hacks on a client already hacked (This is why you need to clean the files each time!)
Your best bet is to wait and watch the forums for an update to the specific hacks that failed. If you suspect it is a different problem, PM me.
If you get a problem not listed here, send me a PM so I can help you fix it.