Fixes for problems encountered when upgrading a MacBook Pro from Snow Leopard to Mountain Lion, including broken SSH public-key access.

Recording a registry fix used when Windows 7 or XP grays out the screen saver's logon-on-resume option and triggers workplace security alerts.

Troubleshooting Windows XP blue-screen crashes triggered by video in Firefox, after the error report points to watchdog.sys.

Using Synergy to share one keyboard and mouse across a desktop and laptop, with seamless pointer movement and clipboard sharing between machines.

Configuring PuTTY with a Chinese font and character encoding to read Chinese Telnet BBS sessions on an English-language Windows machine.