False positive? Possibly. The Mogry calculator sometimes reads/writes temporary files, which heuristic antivirus engines flag. Upload the file to VirusTotal. If only 1-2 obscure engines flag it, it is likely safe. If 10+ flag it, delete it immediately and find another source.
Make sure your level (90 or 100) and any Specialist actions (if you have a soul crystal equipped) are correctly marked.
Error: "Windows protected your PC." Solution: Click "More info" → "Run anyway." This happens because the software is not signed with a paid Microsoft certificate (common for free tools).
You will see fields for:
For subjective or partially correct papers (like JEE Advanced), you may need to enter detailed section-wise scores.