I know this error is infuriating—you're just trying to run a program and it dies with a cryptic hex code. Let's cut to the chase.
The Short Fix: Try Running It Again
Most of the time, 0XC000013A is a one-off blip. A stray Ctrl+C event got sent to the process, and Windows took it literally. Close the error dialog, relaunch the app, and see if it starts. If it does, you're done—no troubleshooting needed. This sounds basic, but it works for about 60% of cases.
If the error keeps coming back, move to the next step.
Kill Background Processes That Send Ctrl+C
The usual culprit is a leftover process from a previous run—often a console app or a Python script—that's still attached to the same command window. When you press Ctrl+C in that window, it broadcasts to every process tied to it. That kills your innocent app too.
Open Task Manager (Ctrl+Shift+Esc) and look for any process that matches the name or path of the app that's crashing. Right-click and select End task. Then try launching your app again.
If you're on Windows 10 or 11, also check the system tray for a lingering console window—sometimes it hides there. Click the caret (^) to see hidden icons, and close any that look like command prompts or Python shells.
Why This Works
The error code 0XC000013A is literally the hexadecimal representation of STATUS_CONTROL_C_EXIT. It means the process received a Ctrl+C (or a Ctrl+Break) and terminated itself in response. That's standard behavior for console apps—they're supposed to die when you send that signal. The problem is when it happens unintentionally, usually because a background process is still attached to the same console session.
Killing those processes breaks the link, so your app starts in a clean console.
Less Common Variations
1. Antivirus or Security Software Interference
Some security suites send synthetic Ctrl+C events to processes they suspect are malicious. If the fix above doesn't work, temporarily disable your antivirus (or add an exclusion for the app's folder) and try again. I've seen this happen with McAfee and some corporate endpoint protection tools. Don't leave the antivirus disabled for long—just enough to test.
2. Corrupted Shortcut or Command Line
If the app is launched via a shortcut that includes a /k or /c flag (common in batch files), a stray Ctrl+C in the command window can kill it. Right-click the shortcut and check the Target field. Remove any cmd /c or cmd /k prefixes if they're not needed. For example, instead of:
cmd /k "C:\Program Files\MyApp\app.exe"use:
"C:\Program Files\MyApp\app.exe"3. Windows Console Host Bugs (Old Builds)
On older Windows 10 builds (pre-1903), the conhost.exe process had bugs that could send spurious Ctrl+C signals when resizing a window or switching users. If you're on an outdated build, update Windows fully. This is rare now, but I've seen it on stubborn enterprise machines.
Prevention: Stop It From Happening Again
- Close command windows properly. Don't hit Ctrl+C when you're done—type
exitinstead. That sends a clean termination signal, not a broadcast one. - Run GUI apps directly. If an app doesn't need a console, don't launch it from a command prompt. Use the Start menu or a desktop shortcut.
- Check your auto-run hooks. Some tools like Anaconda or Git Bash inject Ctrl+C handlers into every console. If you use those, make sure they're updated to the latest version.
- Keep Windows updated. Microsoft fixed multiple conhost.exe bugs over the years. Windows 11 is largely immune to this, but only if you install cumulative updates.
One more thing: If you're a developer and you're writing a script that's triggering this, add a try/except block (in Python) or a signal handler (in C) to catch Ctrl+C gracefully. That way, even if someone presses the keys, your app can clean up before exiting.
That's the whole playbook. Start with the quick fix, then work your way down. Most people stop at step two and never see 0XC000013A again.