Run a full scan with Windows Defender or Malwarebytes. The official portable version is less than 2MB in size. If the EXE you downloaded is 5MB or more, it contains adware or a cryptominer.
From the homepage, you will see two download options: geek uninstaller pro portable link
| Tool | Portable Option? | Cost | Best For | | :--- | :--- | :--- | :--- | | | Yes (Open Source) | Free | Bulk uninstall of multiple apps. | | HiBit Uninstaller | Yes | Free | More aggressive registry cleaner. | | Revo Uninstaller | No (paid Pro has portable) | $39.95 | Forced scanning before uninstall. | | Geek Uninstaller | Yes | Free | Speed & Simplicity (Winner) | Run a full scan with Windows Defender or Malwarebytes