Error Float Multiple Faults 630 (0x276): How to Fix it

Inspecting the system logs can help you identify the cause of the problem

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ERROR_FLOAT_MULTIPLE_FAULTS
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ERROR_FLOAT_MULTIPLE_FAULTS error is a programming error, and it usually comes with the following message: 630 (0x276) {EXCEPTION} Multiple floating point faults. The error will prevent your code from running, so let’s see how we can fix that.

How can I fix ERROR_FLOAT_MULTIPLE_FAULTS?

1. Update the driver and software

  1. Visit your motherboard manufacturer’s website.
  2. Look for your model on the list and download the latest drivers for it.
  3. Repeat the same steps for graphics and CPU drivers.
  4. If any software or application is giving you this error, be sure to update them as well.

If you’re having issues updating drivers, visit our guide on how to update drivers on Windows 11 for step-by-step instructions.

2. Inspect the system log

  1. Press the Windows key + X and choose Event Viewer.
  2. Next, expand the Windows Logs section and select System or Application logs.
  3. Look for the event that occurred before the crash and try to pinpoint the cause.

3. Repair your installation

  1. Press the Windows key + S and type cmd. Choose Run as administrator.
    CMD elevated ERROR_NET_OPEN_FAILED
  2. Run the following command and wait for it to finish: sfc /scannow
    SFCSCANNOW CMD ERROR_BAD_CURRENT_DIRECTORY
  3. Do the same with DISM /Online /Cleanup-Image /RestoreHealth
    dism scan complete
  4. Once both commands are executed, check if the problem is gone.

Keep in mind that these scans can take a while, so don’t interrupt them.

4. Run additional diagnostics

  1. Stress test your PC. You can use tools such as Prime95 for example.
  2. Next, test your memory. Tools such as Memtest86 can help you with that.
  3. Monitor your CPU and GPU temperature. You can do that with almost any CPU monitoring software.

5. Debug the software

  1. Check all floating-point calculations and ensure that edge cases are properly handled.
  2. Use debugging tools to monitor operations that involve floating-point calculations.
  3. If you’re using external libraries for computations, ensure that they are up-to-date and properly configured.
  4. Review exception details and logs to identify the problem.
  5. Try testing the software on a different machine.

If you encounter ERROR_FLOAT_MULTIPLE_FAULTS inspecting the logs can help you see which events led to this problem, but you’ll need to investigate the issue further to see how to fix it properly.

We covered similar issues in the past, and for more information don’t miss our ERROR_INVALID_LDT_OFFSET and ERROR_ILLEGAL_FLOAT_CONTEXT articles.

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