How to Solve:

① There is only one chance to patch. If it fails, uninstall, delete the registry, and then reinstall

Win + R, enter regedit and find the computer \HKEY_CURRENT_USER\Software\PremiumSoft, delete all Navicat folders in premiumsoft, and then start again (no all pattern found! Use this to solve the error)

② Error on Generate Activation Code

The network needs to be disconnected during the operation. It is recommended to install the segment at the beginning. If it fails at one time, you need to uninstall, delete the registry, install again, and then patch + manual activation