How to Fix Software Exception 0xc0000409 Error on Windows 11/10?
I’m experiencing the Software Exception 0xc0000409 error on my Windows 11/10 system, which causes applications or the system to crash unexpectedly. What are the most reliable steps to troubleshoot and fix this error, and if the crashes result in data loss or inaccessible files, how can Stellar Data Recovery help recover the affected data safely?
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That error usually points to a bad driver, corrupted system files, or a buggy app hitting Windows security protections. I’d start by uninstalling any recently added software, updating graphics and chipset drivers, and running SFC and DISM to clean up system files. If it happens with one specific app, reinstall it or check for updates, and reset BIOS to defaults if you’ve ever tweaked performance settings. If the crashes make the system unstable, back up your files first using Safe Mode or Windows Recovery. Only if files end up missing or inaccessible after the crashes would Stellar Data Recovery be useful, since it can safely scan the drive and recover readable data without making things worse.