Xbox Error Code 0x80073CF8 — What It Means & How to Fix It

What Does This Error Mean?

Xbox error 0x80073CF8 means the Xbox failed to install or update a game or application. The installation process started but could not complete — usually because of a storage problem, a corrupted download, or a conflict with an existing installation. Clearing the console's cache and retrying the installation resolves this in most cases. If not, uninstalling and reinstalling the affected game is the next step.

Affected Models

Xbox One
Xbox One S
Xbox One X
Xbox Series S
Xbox Series X

Common Causes

Insufficient free storage space on the console preventing the install from completing
Game or update download was corrupted due to a network interruption
Conflict between an existing installation and a new version trying to install over it
Xbox console's app registry has a stale or conflicting entry for the game
External hard drive disconnected or had an error during an installation to external storage

How to Fix It

Check available storage space. Go to Settings > System > Storage. If storage is nearly full, delete games or apps you don't currently need. Installation failures are very common when the drive has less than 5-10 GB free.

If you're installing to an external hard drive, check that drive's available space too. The game installs to whichever storage you've designated as the install destination.
Hard reset the Xbox console. Hold the Xbox button on the front panel for 10 seconds until it powers off completely. Wait 30 seconds, then turn it back on. A full restart clears the installation manager cache and lets it start fresh.

After the restart, go to My Games & Apps > Manage > Updates and Queue to check if the installation resumes automatically.
Cancel and retry the installation. In My Games & Apps, find the game that failed (it will show an error state or stopped progress). Press the Menu button and select Cancel. Then find the game in your Library and start the install again from scratch.

A fresh install attempt downloads a new copy of the install package, bypassing any corruption in the previous download.
If using external storage, try installing to the internal drive instead. Go to Settings > System > Storage > Install new things to: and select the internal Xbox storage. External drives can cause installation errors if they're full, slow, or have connection issues.

Xbox requires USB 3.0 external drives for game storage. A USB 2.0 drive will cause installation failures and poor game performance.
If the error persists, fully uninstall the problematic game (including any related DLC), then reinstall from your library. This ensures there are no conflicting files from a previous installation attempt. After reinstalling, install any available updates before launching.

To see all DLC associated with a game: highlight the game in My Games & Apps, press the Menu button, and choose Manage game and add-ons to see all related content that needs to be removed.

When to Call a Professional

0x80073CF8 is a software installation issue — no hardware repair is needed in almost all cases. If clearing the cache and reinstalling doesn't help, and the error appears for multiple games and apps, contact Xbox Support at 1-800-469-9269. Persistent installation failures across many titles can indicate an internal storage problem that Microsoft Support can help diagnose.

Frequently Asked Questions

Why does my Xbox keep failing to install games?

Repeated installation failures are most often caused by one of three things: low storage space, network instability, or a drive that's developing errors. Check storage first — it's free to fix. For network issues, try downloading on a wired ethernet connection instead of Wi-Fi. If neither helps and multiple games fail, the console's storage drive may need evaluation by Microsoft Support.

Can I use any USB hard drive for Xbox external storage?

Not any drive — it must be USB 3.0 or faster, and at least 128 GB in capacity. USB 2.0 drives don't have enough bandwidth for game loading and will cause installation and performance problems. Formatting the drive as Xbox storage requires at least one Xbox to do the initial format — go to Settings > System > Storage > External storage and format the drive when prompted.

Will I lose my game progress if I uninstall and reinstall a game?

No — Xbox cloud saves store your game progress separately from the game installation. As long as you're signed in to Xbox Live when you first launch after reinstalling, the game will sync your saves from the cloud. If you play offline, local saves stay on the console and are not deleted by uninstalling.