7 Ways to Fix Assassin’s Creed Mirage Not Starting on Windows PCs

Players have reported that they cannot play Assassin’s Creed Mirage because that game won’t start on their PC. For example, that of a player Reddit post described one Mirage boot problem like this: “I’m having some trouble starting Assassin’s Creed Mirage, and for the past two days I’ve been having a headache because it always stays frozen before I actually get into the game (it shows the new Assassins symbol with smoke and then it just crashes without error message).‘This is how you can solve it Assassin’s Creed Mirage won’t start on a Windows PC.

Check the Mirage game files

Run a verification scan for Assassin’s Creed Mirage will probably fix corrupted files for that game if there are any. Players who have used this troubleshooting method confirm that this solution is possible Assassin’s Creed Mirage won’t start on PCs. You can choose to verify (repair) game files in Epic, Steam, and Ubisoft Connect as indicated on these support pages for those gaming clients.

Set Assassin’s Creed Mirage as an administrator

Another confirmed way to solve the problem Assassin’s Creed Mirage not starting is to run that game with administrator rights. In addition, it is also recommended to run the game from the installation folder, outside of the gaming clients. You can set Assassin’s Creed Mirage to run with elevated permissions like this.

1. Click on the File Explorer taskbar button and navigate to the AssassinsCreedMirage game installation folder.
2. Right-click on the ACMirage EXE file (application) to open the Properties option and Compatibility tab.
3. Add a check mark to the Run this program as an administrator check box by selecting that setting.
4. To save the changes, click Apply > OK.
   

   The Run this program as an administrator option

5. Double-click the ACMirage file that you set to run as an administrator.
6. If the game still hasn’t started, repeat the above steps for the ACMirage_plus file.

Disable the Ubisoft overlay

The Ubisoft client software includes a game overlay feature. Some players confirm that disabling this exaggerated problem is an effective way to solve it Assassin’s Creed Mirage won’t start on Windows PCs. This way you can switch off the Ubisoft excessively.

1. Open the Ubisoft Connect software.
2. Click on the user profile in the Ubisoft software.
3. Select Institutions And Interface.
4. Deselect the selected one Enable in-game overlay for supported games setting.

I also recommend disabling enabled overlays in another software package. For example, Steam, GeForce Experience, and Discord are third-party programs with overlays. Disable the overlays in any software packages installed on your PC that have them.

Edit the resolution in the ACMirage file

A few players have said they have resolved the issue Assassin’s Creed Mirage by changing the resolution settings in the ACMirage file. Make sure these settings are set correctly for your monitor’s maximum resolution and change them if not. For example, these settings should be 1920 and 1080 for a full HD monitor (not 1280 x 720). These are the steps to edit the ACMirage configuration file.

1. Open the Documents > Assassin’s Creed Documents folder in File Explorer.
2. Right-click on the ACMirage file and select Notepad on it Open with context menu.
3. Then search for the Full screen width= And FullscreenHeight= settings in the ACMirage file.
4. Change the Full screen width And Full screenHeight settings to the recommended native resolution of your monitor, if set differently. For example, set these settings to Full screen width=1920 And Full screen height=1080 for a full HD monitor.

Perform a Windows Clean Boot

There could be some background apps and services causing this Assassin’s Creed Mirage startup problems on your PC. To minimize potential interference from conflicting third-party apps, try setting your Windows PC to boot cleanly. Applying a clean boot will disable many third-party programs and services that start automatically in the background. Microsoft’s clean boot guide has full instructions for applying this possible solution.

Install a new GPU driver

If your graphics card driver is old, you may need to install a new driver to fix the problem Assassin’s Creed Mirage don’t launch. It is important that you install the latest driver for your GPU because Mirage is a game with more advanced 3D graphic effects. You can update your PC’s graphics driver as described here KeenGamer Guide.

Reinstall Assassin’s Creed Mirage

Finally, try reinstalling Assassin’s Creed Mirage if nothing else works. If possible, install the game on an alternative SSD or HDD drive. Here’s how you can reinstall Assassin’s Creed Mirage via Steam and Epic Games.

Epic games

1. Launch the Epic Games app.
2. Click Library to view the games you installed with Epic Games.
3. Then click on the menu button with three dots in front Assassin’s Creed Mirage select To delete.
   

   The Delete option in Epic Games

4. To reinstall the game, click on the thumbnail image in Epic and select Install.

Steam

1. Run Steam to access it Library tab.
2. Right-click Assassin’s Creed Mirage and select is To manage > To delete options.
3. You can reinstall AC Mirage by selecting it in the Library tab sidebar and click Install. Choose a drive for the game and select Install.

Other possible ways to fix Assassin’s Creed Mirage not starting

If AC Mirage still won’t start, there are more possible solutions you can try. These are some additional potential remedies that could jump-start the game.

• Change the value for the WindowMode setting in the ACMirage configuration file for resolution four to 1 or 0 depending on how it is set. For example, change that setting to Window mode=1 if this is set Window mode=0.
• Set Assassin’s Creed Mirage to run in administrator mode Windows 8 by selecting Run this program in administrator mode checkbox on the Compatibility tab for the ACMirage game file.
• Add the ACMirage.exe and ACMirage_plus files to the Windows Security and Firewall exclusion lists.
• Download the X86 and X64 Microsoft Visual Studio 2015-2022 packages from this web page. Double-click the downloaded files to select Repair or Install.
• Try launching AC Mirage from GeForce Experience if you have that software installed.

Try to apply all possible ways to solve the problem Assassin’s Creed Mirage do not start as described above before submitting a support ticket. There’s a good chance someone will get it Mirage active on your PC. If these troubleshooting methods are not enough, you can click Contact us on this Ubisoft page to contact the game’s help service.