84,488,480 programs installed

Should I remove Keyspan USB Serial Adapter?

What percent of users and experts removed it?
9% remove it91% keep it
Overall Sentiment
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #17,192
United States Rank #10,492
Reach 0.0145%
Lifespan of installation (until removal)
< 27.44 days
809.61 days >
Average installed length: 425.39 days


3.7s 41.26%
3.7.2 56.64% 0.35%
3.7 1.05%
3.4 0.70%

Keyspan USB Serial Adapter

What is Keyspan USB Serial Adapter?

This is the software package that includes the required drivers, configuration and management utilities to support the Keyspan USB Serial Adapter.


Keyspan USB Serial Adapter is a software program developed by Keyspan. The most common release is 3.7.2, with over 98% of all installations currently using this version. The primary executable is named K19HAsst.exe. The setup package generally installs about 6 files and is usually about 2.94 MB (3,085,180 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 79% of users of Keyspan USB Serial Adapter come from the United States, it is also popular in Canada and United Kingdom.

Program detailsProgram details

URL: www.keyspan.com
Installation folder: C:\Program Files\Keyspan\USB Serial Adapter
Uninstaller: C:\Program Files\InstallShield Installation Information\{2E97DE76-851A-48AA-A0D6-665860FAD9CA}\setup.exe -runfromtemp -l0x0009 -removeonly
Estimated size: 2.94 MB
Language: English

Program filesFiles installed by Keyspan USB Serial Adapter

Program executable:K19HAsst.exe
Name:Keyspan USB Serial Adapter (USA-19H)
Assistant for Keyspan USB Serial Adapter (USA19H)
Path:C:\Program Files\Keyspan\USB Serial Adapter\K19HAsst.exe
Additional files:
  • K19HAsst.exe - Keyspan USB Serial Adapter (USA-19H) (Assistant for Keyspan USB Serial Adapter (USA19H))
  • cl19hreg.dll - Keyspan cl19hreg (cl19hreg)

How do I remove Keyspan USB Serial Adapter?

You can uninstall Keyspan USB Serial Adapter 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 Keyspan USB Serial Adapter, 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 Keyspan USB Serial Adapter.

Win 7 (SP1) 62%
Win Vista (SP1) 0%
Uninstall it 9%
Keep it 91%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 64.81%
Windows 10 18.82%
Windows XP 10.10%
Windows Vista 6.27%
Which OS releases does it run on?
Windows 7 Professional 24.82%
Windows 7 Home Premium 24.11%
Windows 7 Ultimate 10.28%
Microsoft Windows XP 9.93%
Windows 10 Home 6.74%
Windows 7 Enterprise 3.90%

Distribution by countryGeography

79.29% of installs come from the United States
Which countries install it?
  United States 79.29%
  Canada 5.24%
  United Kingdom 3.33%
  France 2.14%
  Germany 1.43%
  Netherlands 1.19%
  Australia 0.95%
  Sweden 0.95%
  Italy 0.95%
  Belgium 0.71%
  Romania 0.48%
  Israel 0.48%
  Czech Republic 0.48%
  TT 0.24%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 34.74%
Hewlett-Packard 26.32%
Acer 7.89%
Toshiba 7.89%
ASUS 6.84%
Lenovo 4.74%
Samsung 3.16%
Medion 1.05%
Sony 1.05%
Apple 1.05%
Gateway 1.05%
Common models
HP Pavilion dv6 Notebook ... 4.51%
HP ProBook 4530s 3.01%
HP Pavilion dv7 Notebook ... 3.01%
Dell Latitude E6530 2.26%
Dell XPS 8500 2.26%
Samsung 700Z7C 2.26%


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