QuickBooks often requires QuickBooks antivirus exclusions to prevent interference from security software like Windows Defender or Norton. Learn how exclusions help in reducing company file access delays, unexpected QuickBooks freezes, or multi-user connectivity problems. This forum highlights the essential folder paths and executable files to exclude for optimized performance. Users share how antivirus configuration can prevent H202 and 6123 errors. Discuss how to whitelist QuickBooks processes safely in your antivirus program. If you encounter persistent file restriction problems, reach QuickBooks experts at +1-866-408-0444.