Sluggish behavior, frequent "Blue Screen of Death" (BSOD) errors, or missing system components. How to Check for Corrupt Files on Windows

Tools like (Windows) or Hex Fiend (Mac) show raw data.

Checking for corrupt files is a mix of observation, built-in OS tools, and third-party utilities. Start with simple tests (open in another app, compute hash), then escalate to disk scans and repair software. The best fix, however, is always a .

Attempt to zip the file: