C Drive Cleanup Master: Performing a Verifiable and Safe Cleanup of the Windows C Drive

C Drive Cleanup Master is an expert process Skill for Windows, maintained by community publisher user_839f3063. Version 1.9.2, hosted on SkillHub, categorized under it-ops-security, with a rating of 100,000 and 1,325 downloads. The core problem it solves is not cleaning more, but cleaning verifiably. It features built-in safety red lines, measurement discipline (triple stable reads via fsutil, prohibition of capped traversal, and identification of inflated junction sizes), estimation discipline (mandatory authoritative decomposition before deletion), and a six-stage cleanup pipeline (temp cache, WinSxS via DISM, Volume Shadow Copy, system cache recycle-bin-ization, search index disabling, and a dedicated WeChat sub-module). The author has documented every pitfall encountered during a real 4.7GB to 27GB cleanup in the description, including ResetBase yielding almost zero returns, the necessity of using SCM API for protected services, kernel self-protection of domestic antivirus software, differential sandbox treatment for Dism/vssadmin versus sc/reg, and the fact that locked system files cannot be force-deleted or sent to the Recycle Bin. All deletion scripts are pure ASCII and default to dry-run; execution only occurs with an explicit --confirm flag. The deletion strategy is tiered (system junk can be deleted immediately, while deep governance items must be moved to the Recycle Bin). Scans include a real-time heartbeat, generate HTML visual reports, and translate error codes into human-readable language. It is suitable for troubleshooting and cleaning low C drive space on Windows. Administrator privileges are required, and extra caution is advised in environments involving domestic antivirus software or cloud drive synchronization.