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Temporarily disable Windows Defender or other antivirus software. Antivirus programs often mistakenly flag the patching files for FlexiSign as threats. Part 3: Step-by-Step Installation & Fix Guide (Win 7-10) 1. Initial Setup
Use the setup.exe in the Disk1 folder and ensure you have disabled antivirus software temporarily during installation. Summary of Compatibility Compatibility Action Needed XP/Vista Install Normally Win 7/8 32-bit Run as Admin Win 7/8 64-bit Need 64-bit Patch/USB Drivers Win 10/11 Low/Moderate Need Test Mode + Updated Patch
For modern commercial environments, it is highly recommended to upgrade to a supported, native 64-bit version such as SAi Flexi 21 or Flexi 22 , which offer native Windows 10/11 drivers and cloud integration. 💻 OS Compatibility Matrix Initial Setup Use the setup
If you're trying to run on modern Windows (or even older systems like XP/Vista), here’s what you need to know:
Tell you (if you have the key) Recommend upgrades if this patch doesn't work Right-click App
For shops with multiple computers, here are two useful tips:
After installation, navigate to the installation folder (usually C:\Program Files (x86)\SAi\FlexiSign Pro 8.1v1 ). Right-click App.exe (or FlexiSign.exe ). Select . Go to the Compatibility tab. if prompted. 2.
Choose "Custom" installation and uncheck "USB Driver" if it is included, as the built-in driver is too old. Once finished, if prompted. 2. Fixing the Sentinel USB Dongle (64-bit) The most common "PC Fix" required is the USB dongle driver. Download the latest Sentinel SafeNet Dongle Drivers Go to product viewer dialog for this item.
Fix: Reinstall the HASP/Sentinel driver emulator and ensure the service is running in services.msc .
Modern Windows updates often disable the older drivers needed for the physical USB dongle. Problems with Flexi pro 8.1 with Windows 7 32 bit