In some cases, for example, the Anti-Spam or Mail Anti-Virus plugins manual registration, you are required to disable UAC (User Account Control). You can find more detailed information about UAC and its settings on the Microsoft's official web site.
In order to disable User Account Control (UAC), perform the following actions:
Release of antivirus database updates (required to protect your computer/server/mobile device).
Limited technical support is provided over phone and web for commercially licensed customers.
Release of patches for the application (addressing detected bugs).
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