MultiBlox v0.0.6

MultiBlox is an advanced, beginner-friendly Roblox multi-instance manager written in Python with a full graphical interface.
It allows you to run multiple Roblox accounts at the same time by automatically handling Roblox’s singleton restrictions, monitoring processes in real-time, and giving you deep insight into each running instance.

Requires no setup, run MultiBlox, then simply join with as many roblox accounts as you want via browsers or bootstrappers. That's it.

MultiBlox is designed to work not only with the default Roblox launcher and on browsers, but also with custom bootstrappers.

Roblox normally prevents you from opening more than one client at a time using internal mutexes and events.
MultiBlox automatically detects newly launched Roblox processes, closes the required handles, and lets you open as many Roblox instances as your system can handle.

On top of that, MultiBlox provides:

• Real-time process detection
• Roblox account identification (username, user ID, avatar)
• Per-instance process analytics
• Custom automation (scripts on open/close)
• Extensive logging & debugging tools
• A clean, modern GUI

All of this runs locally, without injecting code into Roblox.

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🤙 For Support

Join our discord server for any questions, bugs, suggestions, etc

Link : https://discord.gg/tMtdpUSrdM

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✨ Features

• ✅ Bypasses 773 teleportation error
• ✅ Bypasses Roblox single-instance limitations automatically
• ✅ Allows running unlimited Roblox accounts simultaneously (system dependent)
• ✅ Automatically detects new Roblox processes in real time
• ✅ Works with the default Roblox launcher or browsers
• ✅ Fully compatible with custom Roblox bootstrappers (Bloxstrap, Fishstrap, Voidstrap, etc.)
• ✅ Closes ROBLOX_singletonEvent handles automatically
• ✅ Closes ROBLOX_singletonMutex handles automatically
• ✅ Supports advanced regex-based handle detection
• ✅ Allows custom regex patterns for future Roblox updates
• ✅ Optional forced handle closure for stubborn instances
• ✅ Uses process and handle management only
• ✅ Live Roblox instance list with real-time updates
• ✅ Displays each instance’s PID Informations
• ✅ Thread-based stability indicator
• ✅ Detects handle state per instance (Event & Mutex)
• ✅ Dedicated per-instance information window
• ✅ Extracts UserID automatically from Roblox logs
• ✅ Fetches Roblox username & profile avatar automatically
• ✅ Gracefully handles Roblox API rate limits
• ✅ Gracefully handles missing or corrupted log files
• ✅ Built-in low CPU usage mode
• ✅ Dynamic sleep scaling when idle
• ✅ Designed for long-running sessions
• ✅ Advanced settings panel with instant toggles
• ✅ Automatically saves settings to JSON
• ✅ Persistent configuration storage
• ✅ Installer quarantine system to prevent forced Roblox updates
• ✅ Temporarily moves Roblox installers to a safe TEMP location
• ✅ Automatically restores installers on exit
• ✅ Custom script execution on Roblox launch & close
• ✅ Supports .py, .ps1, .bat, .js, .go scripts
• ✅ Perfect for automation workflows
• ✅ Integrated logging system (debugger)
• ✅ Color-coded logs (success, info, error)
• ✅ Timestamped log files
• ✅ Optional automatic log saving
• ✅ Clean and modern GUI
• ✅ Animated activity indicators
• ✅ Beginner-friendly interface
• ✅ Built-in documentation
• ✅ Fully local execution (no external services required)
• ✅ Open-source and transparent
• ✅ Designed for stability and safety
• ✅ Educational and personal-use focused

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▶️ Usage

Option 1: Prebuilt Executable

1. Download the release
2. Extract the folder
3. Run MultiBlox.exe
4. Launch Roblox accounts normally (browser or bootstrapper)

Option 2: Run From Source

START.bat

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📦 Requirements (Source Code)

• Windows 10 / 11

• Python 3.9+

• Required libraries:

pip install psutil requests pillow pyperclip

Additional requirements:

• handle64.exe (Sysinternals Handle tool)

Must be located in:

• handle/handle64.exe

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🧠 Notes

• No code injection

• No Roblox memory modification

• Uses process & handle management only

• Designed to be as safe and stable as possible

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🔒 About handle64.exe (Safe & Official)

MultiBlox uses handle64.exe, a tool from the Microsoft Sysinternals Suite, to safely interact with Roblox process handles.

• Official Microsoft page:
  https://learn.microsoft.com/en-us/sysinternals/downloads/handle

• Purpose:
  handle64.exe lists and manages open system handles.

• Why MultiBlox uses it:
  Roblox locks certain handles to prevent multiple sessions. MultiBlox uses handle64.exe to detect and release these locks, allowing unlimited sessions.

Important: handle64.exe is safe, legitimate, and maintained by Microsoft.

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