Trend Micro client uninstallation issue

Trend Micro has much security software; one of them is a corporate Antivirus Software, named OfficeScan. The corporate means that the antivirus clients are managed centrally – the installation, and the updates are handled remotely.

I recently faced a problem, when I tried to change the OfficeScan client locally on the machine. I was asked a password to uninstall the program, but I did not have any password.

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There are several reasons why we need to modify the centrally managed software locally. In my case I had an OVF template with preinstalled Trend Micro client, but the site has no management server. The only one solution was the local removal, so you could find the solution below.

Open the registry editor, and navigate to the following registry key location.

32 bit OS: HKLM\SOFTWARE\TrendMicro\PC-cillinNTCorp\CurentVersion\Misc.

64 bit OS: HKLM\SOFTWARE\Wow6432node\TrendMicro\PC-cillinNTCorp\CurentVersion\Misc.

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And change the Allow Uninstall value to 1.

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After the registry modification the uninstallation will run smoothly.

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