I'm trying to use the zelda tech 3.3 editor, and a message keeps saying that there was an error reading combos from the ROM. I've tested the exact same Zelda 1 ROM with Dungeonmaster, the underworld counterpart coded by the same guy, and it works, so what's wrong and how do I fix it? The exact error report was: "An exception has occured and been handled:

[System.TypeInitializationException]: "The type initializer for 'ZTech.Combo' threw an exception." Command: "C:\Users\Ricky\Desktop\Zelda\!!Editing!!\zeldatech3.3\ZeldaTech.exe" Path: C:\Users\Ricky\Desktop\Zelda\!!Editing!!\zeldatech3.3 OS Version: 6.2.9200.0 Framework Version: 2.0.50727.6407 Culture: en-US Software Version: 3.3.0.0 Date/Time: 8/16/2013 2:37:33 AM DateTime Format: M/d/yyyy h:mm tt

Stack Trace: at ZTech.Combo.ReadCombosFromFile(FileStream Stream) at ZTech.ZTechForm.OpenRom(Boolean AskFilename)

Exception Trace: - ZeldaTech "The type initializer for 'ZTech.Combo' threw an exception." - mscorlib "Access to the registry key 'HKEY_LOCAL_MACHINE\Software\ZeldaTech' is denied." "

But I have no idea what that means.

Anyone with a word of advice? Maybe an alternate Zelda 1 editor?

I'm no expert, but if it's not writing into the registry, then maybe it's your anti-virus preventing it?

open up regedit from start -> Run (or press the windows key + r) and type: regedit

Expand down to that registry folder.
Right click on that folder, select Permissions.
Set permissions to "Everyone / Full Control"

Or right click on the application, and select "Run as Administrator" (which is probably your best bet) as you're either using Windows 7 or Vista, and the UAC blocks everything.

Thanks for the advice, turns out it was parental controls blocking it from running for whatever reason.

The UAC (User Access Control) prevents malicious software from running on your PC and causing issues. It's annoying, and shouldn't be turned off unless you know how to resolve issues caused by malicious software. It's just doing its job.

To stop UAC from blocking that software, go to start -> run, or windows key + r, and type: regedit. Click "Yes" to run the software.

Expand down to: HKEY_LOCAL_MACHINE\Software\ZeldaTech
Right click on the ZeldaTech folder in the left pane, select permissions, add "Everyone" and set the permissions to full control.

After that, you won't need to run it as administrator or disable the UAC.