If you are trying to create a project in Microsoft Clipchamp but keep getting the "Clipchamp has stopped responding. Try reloading your project. Error: Illegal invocation" error message. This article will guide you through a few simple steps you can take to solve the problem. Thankfully this issue is one of the eaiser problems to fix so it shouldn't take you too long to solve.

Takeaways:

  1. Learn how to fix "Clipchamp has stopped responding. Try reloading your project. Error: Illegal invocation" on Windows 11
  2. Why does Clipchamp keep showing "Clipchamp has stopped responding. Try reloading your project. Error: Illegal invocation" error?

What Does Illegal Invocation Mean in Clipchamp

An illegal invocation error is a JavaScript runtime error that occurs when a function is called in an invalid way or with an incorrect context. This can happen because of corrupted files, outdated cache data, broken dependencies, or conflicts with browser components. Essentially pretty much any change can cause this to happen. Because Clipchamp relies heavily on web technologies, even in its desktop version, issues related to cached data, browser engines, or graphics drivers can trigger this error.

How to Fix Microsoft Clipchamp Has Stopped Responding: Error Illegal Invocation on Windows 11

While this error message might sound super complicated to fix, it's actually one of the easier problems to solve on WIndows 11. So work your way through the list of steps from top to bottom for the question resolution.

Delete Old Clipchamp Data Files

Clearing old cache data often resolves project loading errors.

  • Open File Explorer.
  • Go to:

C:\Users\username\AppData\Local\Packages\Clipchamp.Clipchamp_yxz26nhyzhsrt

You can also press Win + R and enter:

%LOCALAPPDATA%\Packages\Clipchamp.Clipchamp_yxz26nhyzhsrt

  • Make sure hidden files are visible.
  • Delete the folders named LocalCache and TempState.
  • Restart Clipchamp and try opening your project again.

How to Fix Microsoft Clipchamp Has Stopped Responding Error Illegal Invocation on Windows 11

Use a Different Microsoft Account

If your current account is causing sync or authentication issues, sign out and log in with a different Microsoft account. Creating a new account can help determine whether the issue is account specific. If everything works on a new/different account the problem is linked to your account and not Clipchamp.

Update Clipchamp

Running an outdated version may cause compatibility issues.

  • Open the Microsoft Store.
  • Search for Clipchamp.
  • If an update is available, click Update.

Keeping the app aligned with the latest browser and system updates improves stability.

Check Clipchamp Project Media Files

Check that all media files used in the project still exist and are accessible.

  • Files have not been moved or renamed.
  • External drives are connected.
  • Media files open normally outside Clipchamp.

Even one corrupted or missing file can prevent a project from loading or cause it to throw up an error message.

Update or Reinstall Graphics Driver

It might not seem like a logical fix but Clipchamp does need graphics/video drivers to function correctly.

  • Download Display Driver Uninstaller (DDU) from its official site
  • Download the latest stable GPU driver (NVIDIA or AMD)
  • Disconnect from the internet
  • Run DDU and remove current GPU drivers
  • Restart your PC
  • Install the fresh driver
  • Restart again and reconnect to the internet

Repair or Reset Clipchamp

If none of the above solutions work its time for a clean slate!

  • Press Win + I to open Settings.
  • Go to Apps > Installed apps > Microsoft Clipchamp.
  • Click the three dot menu and select Advanced options.
  • Click Repair.
  • If the issue continues, select Reset.

Note: Resetting the app will require you to sign in again.

Fix Clipchamp Has Stopped Responding Error Illegal Invocation

Disable Microsoft Edge Extensions (BROWSER USERS)

Because Clipchamp relies on Edge components, extensions may interfere.

  • Open Microsoft Edge.
  • Go to Settings > Extensions.
  • Disable all extensions.

Restart Clipchamp. If the issue is resolved, re enable extensions one by one to identify the problematic one.

Reset Microsoft Edge (BROWSER USERS)

If disabling extensions does not help:

  • Open Edge Settings.
  • Click Reset settings.
  • Select Restore settings to their default values.
  • Confirm the reset.