Here's a comprehensive feature implementation to detect, diagnose, and potentially fix the "unarc.dll -1" error: 1. Error Detection Module import subprocess import os import psutil import hashlib from typing import Dict, Optional, Tuple class UnarcErrorHandler: """Handles unarc.dll -1 errors during archive extraction"""
def try_low_memory_mode(self) -> Tuple[bool, str]: """Attempts extraction with lower memory usage""" # Implement extraction with chunked processing try: # Use slower but memory-efficient extraction os.environ['UNARC_LOW_MEMORY'] = '1' # Run extraction command with memory limits return True, "Successfully extracted in low memory mode" except: return False, "Low memory mode failed" unarc.dll -1
def show_recommendations(self, diagnosis: Dict) -> None: """Shows detailed recommendations""" print("\n📋 Recommendations:") for i, rec in enumerate(diagnosis["recommendations"], 1): print(f" {i}. {rec}") "Low memory mode failed" def show_recommendations(self
with open("unarc_error_log.json", "a") as log_file: log_file.write(json.dumps(log_entry) + "\n") diagnosis: Dict) ->
# Check 5: Anti-virus interference diagnosis["possible_causes"].append("Possible anti-virus interference") diagnosis["recommendations"].append("Temporarily disable real-time scanning")
def try_extract_with_7zip(self) -> Tuple[bool, str]: """Attempts extraction using 7-Zip as alternative""" seven_zip_paths = [ r"C:\Program Files\7-Zip\7z.exe", r"C:\Program Files (x86)\7-Zip\7z.exe" ]