Uninstall TrendMicro OfficeScan

This procedure work as of June 5th 2010

The problem:

When trying to uninstall TrendMico Office Scan you are prompted for a password.

Solution:

  • Start -> run and type MSCONFIG
  • Under services and uncheck TrendMicro Unauthorized Change Prevention Service
  • Restart the computer
  • Start -> run type Regedit
  • Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\TrendMicro\PC-cillinNTCorp\CurrentVersion\Misc
  • Changing the AllowUninstall value to 1
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4 comments

  1. Followed the receipt, but was still not allowed to change the regkey setting. So ran regedt32 from a different computer and accessed the registry over the network. Voila!

  2. Worked like a charm! I couldn’t make changes to my registry either, but this part worked perfectly,

    •Start -> run and type MSCONFIG
    •Under services and uncheck TrendMicro Unauthorized Change Prevention Service

    Thanks!

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