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PHP2Shell: Critical PHP Vulnerabilities Require Immediate Security Updates

by John Schmerold | Oct 21, 2026 | Security, Web

If your organization’s website runs on PHP, as most WordPress sites do, an unpatched server can be taken over by an attacker without a password. That attacker could steal what your site collects (contact forms, donor or customer details, logins), deface your...

Switch Windows 11 from Intel RST/VMD RAID to AHCI Without Reinstalling

by John Schmerold | Oct 20, 2026 | Hardware, Windows

When deploying standard Windows 11 images on modern business hardware, administrators often inherit OEM factory defaults built around Intel’s Rapid Storage Technology platform rather than settings tuned for a single-drive workstation. One of the most common...

Stop Outlook from marking email as read when you preview it

by John Schmerold | Oct 13, 2026 | email, Microsoft Office

Does Outlook mark your email as read the moment you click on it, before you’ve actually read it? You can change that. Hovering the mouse over a message never marks it read. What does is selecting it, which shows it in the Reading Pane (the preview area). With...

Outlook Shared Mailbox: Keep Sent and Deleted Items Where They Belong

by John Schmerold | Oct 10, 2026 | email, Microsoft Office

If you work in more than one mailbox in Outlook, such as your own plus a shared info@, office@, or billing@ mailbox, you may have run into a frustrating problem. You send a reply from the shared mailbox, and the copy shows up in your Sent Items instead of the shared...

Recent Posts

  • Introducing Katy Mail Guard
  • PHP2Shell: Critical PHP Vulnerabilities Require Immediate Security Updates
  • Switch Windows 11 from Intel RST/VMD RAID to AHCI Without Reinstalling

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Katy Computer Systems, Inc | 7750 Clayton Rd Ste 209 | Richmond Heights MO 63117 | 314-316-9000