If you see Event ID 1000 (Application Error) in Event Viewer while gaming, it means an app has crashed. In most cases, this error points to GameBar.exe with a faulting module like CoreUIComponents.dll.
This guide shows you exactly why it happens and how to fix it step by step.
Event ID 1000 appears in Windows when an application crashes unexpectedly. In this case, GameBar.exe refers to the Xbox Game Bar, and CoreUIComponents.dll is a core Windows UI component. This means the Xbox Game Bar failed due to a UI or system-level issue. The error does not harm your system or files; it only affects the specific app that crashed.
How to Fix Event ID 1000 GameBar Crash (Step-by-Step)
Follow these steps in order. Stop once the issue is fixed.
Step 1: Repair System Files (SFC + DISM)
Corrupted system files often cause this crash.
Open Command Prompt as Administrator and run:
sfc /scannowWait for it to finish.
Then run:
DISM /Online /Cleanup-Image /RestoreHealthThis command downloads clean system files and fixes deeper issues.
Restart your PC.
Step 2: Update Xbox Game Bar
An outdated version can crash on newer Windows builds.
Open: Microsoft Store → Library → Get Updates
Update Xbox Game Bar if available.
Restart your PC.
Step 3: Reinstall Xbox Game Bar
If the app files are broken, reinstall it.
Open PowerShell as Administrator and run:
Get-AppxPackage Microsoft.XboxGamingOverlay | Remove-AppxPackageThen reinstall Xbox Game Bar from Microsoft Store.
Step 4: Disable Overlay Conflicts
Multiple overlays can conflict with Game Bar.
Disable overlays in:
- Discord → Settings → Game Overlay → Turn off
- NVIDIA GeForce Experience → Disable In-Game Overlay
- MSI Afterburner → Disable On-Screen Display
Test after each change.
Step 5: Update Graphics Drivers
Outdated GPU drivers can break UI components.
Download the latest driver from:
Install and restart your system.
Step 6: Install Windows Updates
Windows updates often fix CoreUIComponents.dll issues.
Go to: Settings → Windows Update → Check for updates
Install all updates and restart.
Step 7: Disable Xbox Game Bar (Optional)
If you don’t use Game Bar, turn it off completely.
Go to: Settings → Gaming → Xbox Game Bar → Turn OFF
This prevents future crashes.
Other Errors You May See
Your Event Viewer may also show:
- Security-SPP 8198 → licensing issue (harmless in most cases)
- DistributedCOM 10010 → timeout issue (common and safe)
These errors do not cause GameBar.exe crashes.
Do You Need to Reinstall Windows?
You do not need to reinstall Windows for this issue. Event ID 1000 does not indicate serious system damage. Only consider reinstalling if multiple apps keep crashing, both SFC and DISM fail to repair system files, or your system becomes unstable or fails to boot. For most users, the fixes listed above are enough to resolve the problem.
Event Viewer logs many errors, even on healthy systems. Do not panic when you see Event ID 1000. Focus only if the crash affects your gameplay.
