А что за опция такая:
Сеть/ICQ контакты/Включить активное обнаружение?

PUZO_RS а че этот плагин делает?

Bugfixes:
- Find/Add crashed if a protocol was offline
- ESC doesn't work in User Detail
- Phrases with leading and trailing spaces not translateable
- Incorrect Local time in Userinfo
- CheckDlgButton didn't draw correctly if used after creation in button control
- Offline users weren't always shown in Typing Notify Options
- Ctrl+w closes message window
- Ctrl+w closes send away msg dialog
- Moving a group outside the CLC causes a crash
- Crash translating a menu
- Contact list painting was too disk I/O intensive
- Many database bug fixes (corruptions, bad input checking)
- AIM: Removing user from deny list didn't always update mode in Miranda
- AIM: Fixed file transfers with Mac users
- ICQ: Error alert blocked I/O
- MSN: Connection/login fixes
- IRC: Many bug fixes

Enhancements:
- Database and contact list control moved to plugins
- Relative paths for icons, sounds, and contact list background
- Scroll through past messages with ctrl+up/dn in message window
- New idle module to handle autoaway and protocol idleness
- Pin to desktop option in Window options
- Dim idle contacts option
- Hide the vertical scroll bar on the contact list
- Disable icon flashing on the contact list
- Use windows colours option for contact list
- New status bar options (hide bevel on panel, hide gripper)
- Database I/O improvements, caching
- AIM: Show mobile users as 'on the phone'
- MSN: MSNP10 support,
- MSN: Avatar display/set support
- MSN: better file transfer support, direct/peer2peer, reverse
- MSN: Show phone numbers
- MSN: Stability improvements
- IRC: DCC filetransfers and Chats
- IRC: Reversed filetransfers
- IRC: Send-ahead support
- IRC: Incoming TDCC support
- IRC: CTCP support (all the usual commands)
- IRC: Configurable quit message
- IRC: Option to show addresses in joins/quits etc
- IRC: Formatting of outgoing text
- IRC: Optional SSL support