graph TD;
    A[Start] --> B[Delete Trial Registry Key]
    B --> C[Verify File Hash]
    
    C -- Known Indexes --> D[Create Backup]
    C -- Unknown Indexes --> E[Identify Function Indexes to Patch]
    
    E -- Functions Found --> D
    E -- Functions Not Found --> H[Error: Cannot Patch]
    
    D --> G["Terminate Processes (Explorer, StartAllBack)"]
    G --> I[Apply Patch]
    I --> J[Verify Patch]
    
    J -- Patch Verified --> K[Restart Processes]
    J -- Patch Failed --> M[Restore Backup then restart processes]
    
    M -- Abort --> H[End]
    
    K --> H[End]