Unins000.dat — Validated & Recommended

: Every program installed with Inno Setup will have its own version of this file located in its installation folder.

: While the .exe file is the program that runs, the .dat file provides the data describing exactly what was installed and where. unins000.dat

Can't Uninstall Knctr - Unins000.dat does not exist - Microsoft Q&A : Every program installed with Inno Setup will

: If multiple installations occur in the same directory, you may see files named unins001.dat , unins002.dat , etc., to avoid overwriting existing uninstall data. Common Issues you may see files named unins001.dat

: While usually legitimate, malware can sometimes mimic these filenames or delete them to prevent its own removal. It is recommended to keep antivirus software up to date. Troubleshooting and Solutions