Granite Portable is a classic, free security software tool made for USB flash drives. It is a privacy app that lets you carry your private files safely on a thumb drive.
It does this by making a secure folder called a “vault” right on your portable drive. How the “Autorun” Part Works
When people talk about the “autorun” part of Granite Portable, they are usually talking about how the app opens up:
The Old Way: When the tool was first made, it used a small Windows setup file called autorun.inf. In older versions of Windows (like Windows XP), this file would tell the computer to automatically launch the Granite Portable login menu the exact moment you plugged in your USB drive.
The Modern Way: Modern Windows systems (like Windows 10 and Windows 11) have completely blocked automatic starting from USB drives. Microsoft did this to stop computer viruses from spreading secretly. Today, you just click the app icon inside your USB drive folder to run it yourself. Core Features of Granite Portable
The Vault Folder: The app creates a protected folder on your USB drive. You can drop your secret documents, photos, or passwords inside it.
Password Protection: Anyone who steals or finds your USB drive cannot see your files. They must type your master password to unlock the vault.
Portable Menu: It acts like a mini “Start Menu” for your flash drive, helping you organize your portable apps and files in one clean dashboard.
No Installation Needed: You do not need to install it on a computer. It runs completely from the USB stick itself, so you can use it on school or work computers safely.
If you are trying to get a portable app to launch the second you plug in a drive, let me know! I can tell you which Windows settings you need to tweak, or suggest newer security tools that work better on modern PCs. Autorun.inf does not work | PortableApps.com
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