I'm assuming you meant to type "TopFile.tj" or more likely "TopFile.txt" or a similar filename, and you're inquiring about a file or issue related to Windows 10. However, without a specific context or details about "TopFile.tj," it's challenging to provide a precise report.
Understanding how packaged desktop apps run on Windows - MSIX
Remediation guidance (if suspicious or malicious)
Third-party ISOs may be "pre-activated" or modified, which can disable critical Windows 10 security features like Windows Defender or SmartScreen .