Fix Unicode encoding error on Windows in build_usb_creator.py

- Replace Unicode checkmark characters (✓) with ASCII [OK] text
- Replace Unicode X marks (✗) with ASCII [ERROR] text
- Fixes UnicodeEncodeError with 'charmap' codec on Windows systems
- Updated both build_usb_creator.py and BUILD_INSTRUCTIONS.md files

BUILD_INSTRUCTIONS.md

@@ -62,14 +62,14 @@ dist\MBetterUSBCreator.exe
 
 ## Features
 
-- ✓ Cross-platform (Linux/Windows)
-- ✓ ISO file selection and validation
-- ✓ USB device auto-detection
-- ✓ Optional root password configuration
-- ✓ Optional OpenVPN config integration
-- ✓ Progress indicators and logging
-- ✓ Safe USB device selection (prevents system disk selection)
-- ✓ Standalone executable (no Python installation required)
+- [OK] Cross-platform (Linux/Windows)
+- [OK] ISO file selection and validation
+- [OK] USB device auto-detection
+- [OK] Optional root password configuration
+- [OK] Optional OpenVPN config integration
+- [OK] Progress indicators and logging
+- [OK] Safe USB device selection (prevents system disk selection)
+- [OK] Standalone executable (no Python installation required)
 
 ## Usage
 

build_usb_creator.py

@@ -32,9 +32,9 @@ def check_dependencies():
         try:
             import_name = import_tests.get(package_name, package_name)
             __import__(import_name)
-            print(f"✓ {package_name} found")
+            print(f"[OK] {package_name} found")
         except ImportError:
-            print(f"✗ {package_name} missing")
+            print(f"[ERROR] {package_name} missing")
             missing_packages.append(package_name)
     
     if missing_packages:
@@ -45,7 +45,7 @@ def check_dependencies():
         print("  pip3 install -r requirements.txt")
         return False
     
-    print("✓ All dependencies satisfied")
+    print("[OK] All dependencies satisfied")
     return True
 
 def create_spec_file():
@@ -118,7 +118,7 @@ if sys.platform == 'darwin':
     with open('usb_creator.spec', 'w') as f:
         f.write(spec_content)
     
-    print("✓ PyInstaller spec file created")
+    print("[OK] PyInstaller spec file created")
 
 def build_executable():
     """Build the standalone executable using PyInstaller"""
@@ -132,7 +132,7 @@ def build_executable():
         
         subprocess.run(cmd, check=True)
         
-        print("✓ Build completed successfully!")
+        print("[OK] Build completed successfully!")
         
         # Show output location
         dist_dir = Path("dist")
@@ -142,13 +142,13 @@ def build_executable():
             exe_path = dist_dir / "MBetterUSBCreator"
         
         if exe_path.exists():
-            print(f"✓ Executable created: {exe_path}")
+            print(f"[OK] Executable created: {exe_path}")
             print(f"  Size: {exe_path.stat().st_size / 1024 / 1024:.1f} MB")
         else:
-            print("✗ Executable not found in expected location")
+            print("[ERROR] Executable not found in expected location")
             
     except subprocess.CalledProcessError as e:
-        print(f"✗ Build failed: {e}")
+        print(f"[ERROR] Build failed: {e}")
         return False
     
     return True
@@ -164,7 +164,7 @@ pyinstaller>=5.0.0
     with open('requirements.txt', 'w') as f:
         f.write(requirements)
     
-    print("✓ requirements.txt created")
+    print("[OK] requirements.txt created")
 
 def create_build_instructions():
     """Create build instructions for different platforms"""
@@ -233,14 +233,14 @@ dist\\MBetterUSBCreator.exe
 
 ## Features
 
-- ✓ Cross-platform (Linux/Windows)
-- ✓ ISO file selection and validation
-- ✓ USB device auto-detection
-- ✓ Optional root password configuration
-- ✓ Optional OpenVPN config integration
-- ✓ Progress indicators and logging
-- ✓ Safe USB device selection (prevents system disk selection)
-- ✓ Standalone executable (no Python installation required)
+- [OK] Cross-platform (Linux/Windows)
+- [OK] ISO file selection and validation
+- [OK] USB device auto-detection
+- [OK] Optional root password configuration
+- [OK] Optional OpenVPN config integration
+- [OK] Progress indicators and logging
+- [OK] Safe USB device selection (prevents system disk selection)
+- [OK] Standalone executable (no Python installation required)
 
 ## Usage
 
@@ -261,7 +261,7 @@ The created USB will:
     with open('BUILD_INSTRUCTIONS.md', 'w') as f:
         f.write(instructions)
     
-    print("✓ BUILD_INSTRUCTIONS.md created")
+    print("[OK] BUILD_INSTRUCTIONS.md created")
 
 def main():
     print("MBetter USB Creator - Build Script")
@@ -270,9 +270,9 @@ def main():
     if len(sys.argv) > 1 and sys.argv[1] == "--check-deps":
         print("Checking dependencies only...")
         if check_dependencies():
-            print("✓ All dependencies available")
+            print("[OK] All dependencies available")
         else:
-            print("✗ Missing dependencies found")
+            print("[ERROR] Missing dependencies found")
         return
     
     # Create build files
@@ -288,13 +288,13 @@ def main():
     # Build executable
     if build_executable():
         print("\n" + "=" * 40)
-        print("✓ BUILD SUCCESSFUL!")
-        print("✓ Standalone executable created in dist/ directory")
-        print("✓ See BUILD_INSTRUCTIONS.md for usage details")
+        print("[OK] BUILD SUCCESSFUL!")
+        print("[OK] Standalone executable created in dist/ directory")
+        print("[OK] See BUILD_INSTRUCTIONS.md for usage details")
     else:
         print("\n" + "=" * 40)
-        print("✗ BUILD FAILED!")
-        print("✗ Check error messages above")
+        print("[ERROR] BUILD FAILED!")
+        print("[ERROR] Check error messages above")
 
 if __name__ == '__main__':
     main()