is a legitimate command-line tool built into Windows. It is used by administrators to repair, modify, and update Windows images and system files. Because it is a free, native Windows component, it does not require a license key, crack, or "portable" third-party download. Risks of "Cracked" System Tools
To check for corruption, type: DISM /Online /Cleanup-Image /CheckHealth is a legitimate command-line tool built into Windows
While there is no legitimate "feature article" on this specific string—as it is a common SEO-trap for malware— What is DISM? native Windows component