Note 1: The OS I'm using is Windows 7 32-bit. If you have a different version, I don't know if the specific cause of this problem is even possible on your system, although, theoretically, it could happen with all 32-bit versions of Vista, Win 7, and Win 8. I don't know if he problem could happen on the 64-bit versions, but I know wouldn't present the same symptoms or cause the same installer errors, so I doubt it. As for Mastercam, it doesn't happen with anything earlier than X7, but the full version of X7, as opposed to just the HLE, is probably affected as well. Note 2: I'll cover everything step-by step below, but, basically, to solve this problem you have to completely remove and then reinstall all versions of the .NET framework, which is considered risky and only to be done as a last-ditch effort, and definitely something you don't want to do unless you have to. Later in this post, I'll provide ways to check if you are having the same problem I'm having, but exhaust all other options and follow any other advice before you even check, because you probably are not. In fact, as far as I can tell, the issue in Windows that causes this error is pretty rare, so the number of Mastercam users who are having the same problem I had are astronomically low. That being said, the amount of prior technical knowledge, research, and time it took to figure out the source of the problem is astronomical, so I think this still should be posted, even if it might only, at max, help 2 or 3 people out there. Okay, so now that I got that all out of the way, I just realized I haven't even given a description of what this problem actually looks like. So, here's what experiencing this problem is like: It won't install, and every time you try, the installation gets maybe 75% of the way before weird stuff starts to happen like the desktop icon disappearing or the screen flashing as it erases all of the changes it just made. After it finishes doing that, a message will then inform you that 5 more minutes of your life were wasted because "The wizard was interrupted before the installation could finish", or something along those lines. Now, naturally, at first you'll assume the cause is something simple, like a setting that needs to be changed, or that you're doing something wrong. However, what you'll find is that no matter how many hours you spend rebooting your machine, no matter what you try, like, for example, installing to/from a dozen different directories/drives or turning off UAC/Win firewall/Win Update/antivirus/every nonvital service and task, and no matter how many pages of tech support forums you read, you still just can't get it to install. If your experience sounds similar, here's a few ways to check that you have the same problem: View the installation logs by checking the box at the bottom of the error message screen that comes up after the installer finishes trying to install X7. Save that log somewhere, press the windows key and "E" at the same time to bring up Windows Explorer, browse to wherever you saved the log, and double click it to open it in notepad. It's pretty big for a text file, so it might take a little while to load. After it shows up, press Ctrl+F and search for this: Error: cannot register 64 bit component and this: ignoring fusion interface error, assuming we are bootstrapping (MsiNetAssemblySupport is unset) If results show up for both searches, there's a good chance it's the same problem. 2. Look at the icons in the taskbar located on the bottom right corner of your screen and click the internet connection tab. Right click whichever network you're currently connected to and select "Status". At the bottom of that window, click "Diagnose" and wait a second or two for it to start up. Did an error occur immediately after it started? And if you click on "More Details", is it error code 0x80131700? If not, you have a different problem. If both those things show up, you have a problem with Microsoft .NET 3.5. If you're lucky, this is because it's disabled. If not, then some time ago, somehow you did something really weird and accidentally deleted it. I'm not sure how, since that's supposed to be impossible to do, whether to a normal user or a hacker looking for exploits, but it doesn't matter- all that's important now is that you not do that thing you did again. Good luck. Anyway, try these steps to reenable .NET 3.5: Open up Control Panel, go to Programs-> Turn Windows Features on and off, scroll down to .NET 3.5.1, expand it, and check the two boxes that show up. Click okay. If, after it finishes, it says that not all changes were applied, you are not one of the lucky ones. Restart your PC and do the second method below. If it finished successfully, you should be good to go. Restart and try installing again. And, finally, here's how to remove/reinstall the entire .NET framework: The first step is removal, and luckily for me, i don't have to type this one out, as this was the one part I didn't have to figure out on my own- windows support forums finally paid off. Here's a link to the full post if you want to read that: answers.microsoft.com/en-us/windows/forum/windows_7-windows_programs/how-do-you-install-net-framework-35-and-below-in/1dfe381b-8f84-47dd-80bc-b87ce9520cfc If not, here's the relevant part: "Perform the steps mentioned below and check if it helps. 1) Download dotnetfx_cleanup_tool.zip from the following site: http://blogs.msdn.com/cfs-file.ashx/__key/CommunityServer-Components-PostAttachments/00-08-90-44-93/dotnetfx_5F00_cleanup_5F00_tool.zip 2) When you are prompted, click Open, and then click Extract Now. 3) In the files that you extracted, double-click cleanup_tool.exe. If you are prompted for an administrator password or for a confirmation, provide the password, and then click Continue. 4) In the Do you want to run the .NET Framework Setup Cleanup Utility? message, click Yes. 5) Click Yes to accept the license agreement. a) In the Product to cleanup window, click the drop-down list, select the first option to remove all versions of .NET Framework, and then click Cleanup Now. After the .NET Framework is removed, restart the computer." After that, download .NET Framework 4.0 (which also installs all prior versions) from: http://www.microsoft.com/en-us/download/details.aspx?id=17851 Start the installer, follow all instructions in there and on the page I just linked to. and restart when finished. The next time you attempt to install X7 HLE/Demo, it should be completely successful.

Hi, I'm currently in a 3rd year engineering program at my high school. In that class, we have numerous licensed educational seats of Mastercam X6, along with lots of other pieces of dangerous-looking equipment, available to us. I also have a copy of Mastercam X6 HLE on my laptop which I need to use in order to finish a large project with a very short deadline we were recently given. So, here's my problem: After I'm done with the software part of the project, I have to create the part on a CNC. Now, as you probably know, X6 HLE was neutered specifically to prevent people from being able to do that. So, is it possible to open Mastercam X6 HLE files on a licensed copy of Mastercam X6 and then post the NC file so I can machine the part?