. Because FlexiSign Pro 8.1 is an older version, this issue is often triggered by changes in your computer's hardware, operating system updates, or connectivity problems with SAi's licensing servers. Common Causes for License Expiration Errors Operating System Incompatibility : FlexiSign Pro 8.1 was primarily designed for Windows XP 32-bit
If reinstallation fails, the runtime expiration might be stored in a registry key that persists. Warning: Incorrect registry edits can break your OS. Back up your registry first. flexisign pro 8.1 your runtime license has expired
If the steps above do not work, your USB dongle may have suffered hardware failure. In this scenario, you have two choices: operating system updates
After you fix the error (using Fix #2 or the VM method), take these steps to prevent it from returning: flexisign pro 8.1 your runtime license has expired