Before you begin, make sure to back up your iMovie libraries, your media, and the iMovie app.

At worst, it will throw an error message that the app “is damaged and can’t be opened.” This error makes you believe that the downloaded app is corrupted and that there is no application that could let it open. However, sometimes this is just a security issue that can be corrected. My video was recorded on an Elgato Game Capture and it gave me a TS File of a one hour video. As I went straight to the app, I clicked on New Project to begin editing, I get this message as I dragged in my video file 'Project appears to be damaged. File cannot be opened.' I tried to find some way to fix the issue, but to no avail.

Try these troubleshooting steps in order

After trying each step below, test iMovie again to see if you've fixed your issue.

Reset NVRAM

If you use an external device with iMovie like a camera, reset NVRAM:

1. Shut down your Mac.
2. Disconnect all external devices other than your keyboard and your mouse.
3. Reset NVRAM.
4. Open iMovie and attempt to reproduce your issue.
   • If iMovie works, reconnect devices one at a time until you can reproduce your issue. Restart your Mac after reconnecting a device if the device requires it.
   • If iMovie still doesn't work, you might need to update your device's firmware or have the device serviced.

Update macOS and iMovie

Choose Apple menu  > App Store, then click Updates. If an iMovie update is available, click Update to download and install it.

Check camera and media format compatibility

Make sure you're using a camera and media format that works with iMovie. If you can't find your camera listed or need further assistance, contact the manufacturer of the device for support.

If you're using a third-party video interface with your Mac, check with the manufacturer for firmware or other software updates for your device.

Test with a new library and project

You can create a new library and test project to check if the issue is with your library, project, or iMovie app. First, create a new library:

1. Quit iMovie.
2. While you press and hold the Option key, click the iMovie app in the Dock or double-click the iMovie app in the Applications folder.
3. In the Open Library window, click New to create a new library.
4. Name the test library 'Test iMovie Library,' then save it to the Desktop.

Next, create the test project using a built-in trailer template, then export it as a QuickTime video file:

1. In iMovie, click Projects to return to the Projects view.
2. Choose File > New Trailer, click the Action trailer template, then click Create.
3. Choose File > Share > File, click Next, name the file 'Finish Line,' then save the video file to the Desktop.

Next, import the QuickTime video file into a new project in the new library:

1. Click projects to return to the Projects view. In the window, click OK.
2. Choose File > New Movie.
3. Choose File > Import Media, then click Desktop in the Import window sidebar. Select the 'Finish Line.mov' file in the list, then click the Import Selected button.
4. Select the clip in the browser, then press the E key to add the clip to the timeline.
5. Try to recreate the issue you were having. For example, if iMovie quit when adding a transition, try to add a transition to the timeline.

If the new library and project work as expected, you've isolated the cause of your issue to the original library or project. Try to restore a previous version of the original library from a Time Machine or other backup.

Test iMovie with a new user account

Create another user account on your Mac, then test iMovie with the new user account.

Reset iMovie

Reset iMovie to default settings. Libraries won't be affected.

Reinstall iMovie

Delete iMovie, then redownload and reinstall it. Libraries won't be affected.

Still not working?

Learn more

Roguelight now has a prestige system! there are also some minor balance and UI changes

PRESTIGE

when you beat the game you get the choice to go deeper. if you do, you lose all your upgrades and everything costs more. you can do this again and again (everything will cost more and more each time), and the game keeps track of what depth you're at (once you've reached depth 2, it displays your depth in the title screen). you can always choose to stay at the same depth, and you can always hold down D and L for three seconds to completely reset the game, losing all your upgrades and your depth

how deep can you go?

ARROW BRIGHTNESS

the brightness of your arrows when you have no arrow brightness upgrades has been increased, and the effectiveness of the arrow brightness upgrades has been decreased slightly. what this means is that early on your arrows are a bit brighter than they used to be, but once you have all the upgrades it's the same as before

PAUSE AND SHOP UI

when you pause the game and select retry, it now brings you to the shop screen, instead of skipping straight to the title screen (and losing all your coins). the shop icons have also been updated (a blue tick for bought upgrades, and a wiggling green dot for upgrades you can currently afford)

Files

Get Roguelight

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I liked it more I felt a little difficult because of the dark

Where does the game save the progress? Because after I Deleted it I don´t want any digital trash left behind.

Thanks buddy, really enjoying the game, very nice mechanics and graphics. Hope that one day you make it into a bigger game, more variety of levels. All the best

This game looks really cool. Any word on getting the version for Mac updated? I've got a Mac so I'd be happy to help with running the build or testing, just let me know.

sorry this is unrelated but i believe this is the only place i can comment, so i have all the upgrades, and i got to the final floor presumably, but how the *BLEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEP* do i defeat the final boss? theres nothing that implies a method to beat him.

Without spoiling it, here's a hint: In the floor where you encounter the final boss, explore the level thoroughly. You will find something, or rather somethings. They're not small by any means so don't worry about having to pixel hunt. You'll know what it is when you see them, and you'll know what to do with them when you do.

Nice, I didn't expect the game to be updated. What engine did you make it in by the way?

Solid update bro, am looking forward to putting in more playtime soon ^u^

Well, I guess I have to put some other hours into this masterpiece again.
Thanks for the update <3

I'll add my voice to the desire for an updated Mac version. I beat the game originally, and I'd love to go deeper. It's a tightly designed game that would have been a great addition to the library of the original Gameboy.

Hello, the fullscreen mode of the last roguelight version is black.

I love Roguelight. But no Mac update? Is Apple making it too annoying to publish for Mac?

Roguelight For Mac Is Damaged And Cannot Be Opened Helps

hopefully I can make a mac update at some point, but I'll need to get my hands on a mac first and then work around some huge issues gamemaker has with building to mac

Thank you. I understand. Nobody needs huge problems.

Any chance we can get the old Mac release back until then?

yep! the original release should still be available on the main page

the mac download does not work on mine. There are no error mesages, and no window opens.

I get an error message, at least:

Roguelight For Mac Is Damaged And Cannot Be Opened Helping

“Roguelight” is damaged and can’t be opened. You should move it to the Trash.

Roguelight For Mac Is Damaged And Cannot Be Opened Help To Be