Windows Fixer - Windows Repair & Cleanup Tool

A free, open-source Windows system repair and PC cleanup utility with a modern dark GUI. Fix Windows errors, repair corrupted system files, clean temp files, reset network, and check disk health - all from one tool with no installation required.

Runs DISM, SFC /scannow, CHKDSK, Winsock reset, DNS flush, and safe cleanup operations with real-time progress tracking and logging.

Forked from ilukezippo/Windows_Fixer - Original author: ilukezippo (BoYaqoub)

Download

Download WindowsFixer.exe (latest release) - No installation needed. Just download and run.

Screenshot

Why use Windows Fixer?

• One-click Windows repair - No need to memorize DISM, SFC, or CHKDSK commands
• Safe - Creates a System Restore point before making any changes
• Modern UI - Dark/light theme, progress tracking, live log output
• Portable - Single EXE, no installation, no dependencies
• Free and open source - No ads, no telemetry, no premium tier

Features

Windows Repair Tools

• DISM ScanHealth - Check Windows image integrity for corruption
• DISM RestoreHealth - Repair corrupted Windows system image using Windows Update
• SFC /scannow - Scan and repair protected Windows system files
• CHKDSK - Check disk for file system errors with scan-only or fix mode
• Network Reset - Reset Winsock and TCP/IP stack to fix network issues

PC Cleanup Tools

• Clean Temp Files - Delete user and system temporary files
• Clean Prefetch - Clear Windows Prefetch cache
• Empty Recycle Bin - Free disk space by clearing deleted files
• Flush DNS Cache - Reset DNS resolver cache to fix browsing issues
• DISM Component Cleanup - Remove superseded Windows component versions
• Clear Windows Update Cache - Stop update services and clean downloaded update files

Safety & Recovery

• System Restore Point - Automatically creates a restore point before any repair operation
• Admin detection - Detects privilege level and offers elevation when needed
• Skip / Cancel - Stop or skip any operation mid-run

System Information

• Windows version and build number
• CPU model and architecture
• RAM total, available, and usage percentage
• Disk space total, free, and usage percentage
• System uptime

User Experience

• Modern CustomTkinter UI - Clean dark theme with rounded corners and styled controls
• Dark / Light theme toggle saved between sessions
• Save Log - Export the full operation log to a timestamped file
• English / Arabic language support
• Progress bar with step-by-step tracking

Requirements

Download and run (recommended)

• Windows 10 or Windows 11
• That's it - the EXE is self-contained

Run from source

pip install pillow customtkinter
python windows_fixer.py

Build the EXE yourself

pip install pillow customtkinter pyinstaller
pyinstaller --onefile --noconsole --name WindowsFixer --collect-all winfixer --collect-all customtkinter --icon icon.ico --add-data "icon.ico;." --add-data "kuwait.png;." --add-data "Success.wav;." windows_fixer.py

Project Structure

windows_fixer.py          Entry point
winfixer/
  constants.py            Version, URLs, dimensions
  utils.py                Resource loading, settings, admin helpers
  commands.py             CommandRunner, cleanup functions, restore points
  translations.py         English + Arabic translation dictionaries
  sysinfo.py              System info (OS, CPU, RAM, disk, uptime)
  ui.py                   Main App window, theming, step orchestration

What changed from the original

This fork builds on the original project with:

Security Hardening

• Fixed command injection vulnerability in CHKDSK
• Fixed argument injection in admin relaunch
• Input validation for drive letters, settings, resource paths, API responses
• Thread-safe cancel/skip signals using threading.Event
• Specific exception handling instead of silent error swallowing

New Features

• Complete UI redesign with CustomTkinter (modern dark theme)
• System Restore point creation before repairs
• System Info panel (OS, CPU, RAM, disk, uptime)
• Save Log to file
• Dark/Light theme toggle
• Modular package architecture

See CHANGELOG.md for full version history.

Credits

• Original Author: ilukezippo (BoYaqoub) - Created the original Windows Fixer
• Fork Maintainer: Khalid El Merrah - Security hardening, CustomTkinter UI, new features

Made with love from Kuwait and Morocco

License

Freeware - Same as the original project.