Activating Navicat failed. The reason may be due to the upper limit of the number of activations has been reached. Please check if you have deactivated the license key before uninstalling or reinstalling Navicat

1. Failed to activate Navicat. The reason may be due to the upper limit of the number of activations has been reached. Please check if you have deactivated the license key before uninstalling or reinstalling Navicat. As shown in Figure 1

Figure 1

2. Since the system that previously installed Navicat has been reinstalled, it is impossible to deactivate the license key.

3. License Key – Download the information and view the license key of Navicat 16 for MySQL. as shown in Figure 2

Figure 2

4. However, when registering in Navicat 12 for MySQL, the key is incorrect. as shown in Figure 3

Figure 3

5. After uninstalling Navicat 12 for MySQL, install Navicat 16 for MySQL. Navicat for MySQL is now activated. as shown in Figure 4

Figure 4