84,488,480 programs installed

Should I remove XFast LAN?

What percent of users and experts removed it?
1% remove it99% keep it
Overall Sentiment
Very good
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #4,811
United States Rank #5,504
Reach 0.1081%
Lifespan of installation (until removal)
< 12.10 days
356.90 days >
Average installed length: 187.52 days


6.61 100.00%

Typically installed together

XFast LAN v6.61

What is XFast LAN?  (from cFos Software GmbH, Bonn)

When Internet Explorer loads very slowly for no clear reason, it's usually due to inefficient management. ASRock is rolling out super efficient web management in the motherboard industry. XFast LAN is a convenient tool that controls internet related applications easily and efficiently. Creating a perfect Internet envir...  Read more


XFast LAN v6.61 is a program developed by cFos Software GmbH, Bonn. Upon installation and setup, it defines an auto-start registry entry which makes this program run on each Windows boot for all user logins. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. The programs's main executable is spd.exe and has been seen to consume an average CPU of less than one percent, and utilizes about 8.16 MB of memory. The software installer includes 13 files and is usually about 8.21 MB (8,609,206 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 38% of users of XFast LAN come from the United States, it is also popular in Germany and Italy.

Program detailsProgram details

URL: www.asrock.com/feature/XFast/XFastLAN/index.asp
Help link: www.cfos.de
Installation folder: C:\Program Files\ASRock\XFast LAN
Uninstaller: "C:\Program Files\ASRock\XFast LAN\setup.exe" -uninstall
Estimated size: 8.21 MB

Program filesFiles installed by XFast LAN v6.61

Program executable:spd.exe
Name:cFosSpeed Service
Signed by:cFos Software GmbH
Path:C:\Program Files\ASRock\XFast LAN\spd.exe
Additional files:
  • speedsrv.dll - cFosSpeed Install & Service DLL
  • _setup.exe - cFosSpeed Installer
  • setup.exe
  • setup_.exe
  • setup_v2.exe
  • cfosspeed.exe - cFosSpeed Window
  • cfosspeed.sys - cFosSpeed Driver
  • cfosspeed6.sys

Program behaviorsBehaviors exhibited

Scheduled Task (Boot/Login)
  • cfosspeed.exe is automatically launched at startup through a scheduled task named XFast LAN.
  • spd.exe runs as a service named 'cFosSpeed System Service' (cFosSpeedS) "Performs latency measurement and privileged operations for cFosSpeed".
Startup File (All Users Run)
  • cfosspeed.exe is loaded in the all users (HKLM) registry as a startup file name 'XFast LAN' which loads as C:\Program Files\ASRock\XFast LAN\cFosSpeed.exe.

Program resource utilizationResource utilization averages

Memory:8.16 MB
21.09 MB average
Total CPU:0.0000350451%
0.031193% average
Kernel CPU:0.00002101%
0.016088% average
User CPU:0.00001404%
0.015104% average
70 average
Memory:6.56 MB
Total CPU:0.0000104161%
Kernel CPU:0.00000626%
User CPU:0.00000416%

How do I remove XFast LAN?

You can uninstall XFast LAN 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 XFast LAN v6.61, 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 XFast LAN.

Win 7 (SP1) 75%
Win Vista 0%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 1%
Keep it 99%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 82.50%
Windows 10 14.54%
Windows XP 2.20%
Windows Vista 0.75%
Which OS releases does it run on?
Windows 7 Ultimate 38.32%
Windows 7 Home Premium 23.78%
Windows 7 Professional 17.56%
Windows 8.1 Pro 3.48%
Windows 10 Pro 3.01%
Microsoft Windows XP 2.21%

Distribution by countryGeography

37.98% of installs come from the United States
Which countries install it?
  United States 37.98%
  Germany 11.35%
  Italy 4.51%
  United Kingdom 4.51%
  Australia 3.82%
  Netherlands 2.77%
  France 2.68%
  Taiwan 1.75%
  Canada 1.63%
  Romania 1.59%
  Finland 1.30%
  Japan 1.30%
  Brazil 1.14%
  Spain 1.14%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
ASUS 37.05%
Acer 32.53%
Hewlett-Packard 15.06%
Dell 10.84%
Samsung 1.66%
Alienware 1.36%
Lenovo 0.60%
Common models
MSI MS-7817 10.53%
ASUS All Series 10.53%
ALASKA A_M_I 10.53%


user comment
No one has commented yet. Help others learn more about this software, share your comments.