84,488,480 programs installed

Should I remove Trillian?

What percent of users and experts removed it?
3% remove it97% keep it
Overall Sentiment
Very good
What do people think about it?
(click star to rate)
How common is it?
Global Rank #2,869
United States Rank #2,123
Reach 0.2077%
Lifespan of installation (until removal)
< 21.66 days
638.96 days >
Average installed length: 335.72 days


VersionDistribution 0.07%
5.6.0005 0.12%
5.4.0016 0.07%

Other programs by Cerulean Studios


What is Trillian?  (from Cerulean Studios)

Trillian is modern instant messaging for home and work that prioritizes chat interoperability and security. Start a chat on your iPad at the breakfast table. Continue chatting on your phone as you take the train to work. Wrap things up when you sit down in front of your desktop. Trillian automatically keeps all of your...  Read more


Trillian is a software program developed by Cerulean Studios. The most common release is, with over 0% of all installations currently using this version. During setup, the program creates a startup registration point in Windows in order to automatically start when any user boots the PC. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. When installed, it will add a context menu handler to the Windows shell in order to provide quick access to the program. The programs's main executable is trillian.exe and has been seen to consume an average CPU of less than one percent, and utilizes about 46.67 MB of memory. It also includes a system tray icon that is displayed in the notifications area while the program is running. The setup package generally installs about 90 files and is usually about 22.32 MB (23,402,766 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows 10. While about 65% of users of Trillian come from the United States, it is also popular in Germany and United Kingdom.

Program detailsProgram details

URL: www.trillian.im
Installation folder: C:\Program Files\trillian
Uninstaller: C:\Program Files\Trillian\Trillian.exe /uninstall
Estimated size: 22.32 MB
Language: English (United States)

Program filesFiles installed by Trillian

Program executable:trillian.exe
Signed by:Cerulean Studios
Path:C:\Program Files\trillian\trillian.exe
Taskbar:Displays an icon in the notification area
Trillian is a proprietary multiprotocol instant messaging application created by Cerulean Studios. It can connect to multiple IM services, such as AIM, ICQ, Windows Live Messenger, Yahoo! Messenger and Skype. Users can create multiple...
Additional files:
  • crypto.dll - Trillian Cryptographic Engine
  • buddy.dll - Trillian (Trillian Contact Control)
  • events.dll - Trillian Event Control
  • expatxml.dll - Trillian XML Control (Expat)
  • images.dll - Trillian Images
  • list.dll - Trillian List Control
  • proxy.dll - Trillian Proxy Engine
  • talk.dll - Trillian Talk Control
  • toolkit.dll - Trillian Toolkit Control
  • trillian333.exe
  • trillian-orig.exe
  • core.dll - Core
  • libseda.dll - SEDA
  • vistaelevate.dll
  • vistaelevate64.dll

Program behaviorsBehaviors exhibited

Context Menu Handler
  • buddy.dll added to Windows Explorer under the name 'Trillian' with a class of {6F1DC701-9891-11d5-B8C6-444553540001}.
Scheduled Task
  • trillian.exe is scheduled as a task with the class '{164099F7-D042-489E-BDDC-48942680416D}' (runs on registration).
Startup File (User Run)
  • trillian.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'Trillian' and executes as "C:\Program Files\Trillian\trillian.exe".
Startup File (All Users Run)
  • trillian.exe is loaded in the all users (HKLM) registry as a startup file name 'Trillian' which loads as C:\Program Files\Trillian\trillian.exe.
Windows Firewall Allowed Program
  • trillian.exe is added as a firewall exception for 'C:\Program Files\Trillian\trillian.exe'.
Network connections
  • trillian.exe connects to (port 3158).
  • trillian.exe connects to baymsg1020426.gateway.edge.messenger.live.com ( port 1863).
  • trillian.exe connects to sn1msg2010634.phx.gbl ( port 1863).
  • trillian.exe connects to jabber-02-01-ash3.facebook.com ( port 5222).

Program resource utilizationResource utilization averages

Memory:46.67 MB
21.09 MB average
Total CPU:0.0010029345%
0.031193% average
Kernel CPU:0.00058398%
0.016088% average
User CPU:0.00041895%
0.015104% average
CPU cycles/sec:1,331,395
8,062,084 average
I/O reads/min:6 KB
435.61 KB average
I/O writes/min:386 Bytes
105.02 KB average

How do I remove Trillian?

You can uninstall Trillian from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Trillian, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Trillian.

Win 7 (SP1) 60%
Win Server 2003 0%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 3%
Keep it 97%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 63.44%
Windows 10 30.10%
Windows XP 3.59%
Windows Vista 2.85%
Windows Server 2003 0.02%
Which OS releases does it run on?
Windows 7 Home Premium 24.62%
Windows 7 Ultimate 18.93%
Windows 7 Professional 15.84%
Windows 8.1 7.06%
Windows 8.1 Pro 5.81%
Windows 10 Home 3.85%

Distribution by countryGeography

65.31% of installs come from the United States
Which countries install it?
  United States 65.31%
  Germany 6.20%
  United Kingdom 3.08%
  Canada 2.62%
  France 2.47%
  Australia 1.30%
  Brazil 1.11%
  Czech Republic 1.02%
  Iran 0.93%
  Netherlands 0.85%
  India 0.78%
  Belgium 0.72%
  Romania 0.69%
  Mexico 0.67%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 27.18%
Hewlett-Packard 22.95%
Acer 12.19%
ASUS 9.98%
Toshiba 6.31%
Lenovo 4.02%
Intel 2.90%
Samsung 2.72%
MSI 1.08%
Alienware 0.86%
American Megatrends 0.61%
Common models
ASUS All Series 7.24%
HP Pavilion dv6 Notebook ... 5.82%
HP Pavilion dv7 Notebook ... 4.14%
HP Pavilion g6 Notebook P... 3.62%
HP Pavilion g7 Notebook P... 2.72%
HP 2000 Notebook PC 1.94%

comments1 comment

user comment
user comment
Johnnyover a year ago
The *former* A+ multi protocol instant messenger