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Should I remove System Diagnostics?

What percent of users and experts removed it?
9% remove it91% keep it
Overall Sentiment
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How common is it?
Global Rank #43,492
United States Rank #26,778
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VersionDistribution 100.00%

System Diagnostics


System Diagnostics is a software program developed by SystemDiagnostics.com. The primary executable is named pcdui.exe. The setup package generally installs about 15 files and is usually about 9.67 MB (10,143,385 bytes). Relative to the overall usage of those who have this installed, most are running it on Windows 10. While about 88% of users of System Diagnostics come from the United States, it is also popular in United Kingdom and Canada.

Program detailsProgram details

Installation folder: C:\Program Files\System Diagnostics\
Uninstaller: "C:\Program Files\System Diagnostics\unins000.exe"
Estimated size: 9.67 MB

Program filesFiles installed by System Diagnostics

Program executable:pcdui.exe
Name:System Diagnostics
Path:C:\Program Files\system diagnostics\pcdui.exe
Additional files:
  • Interop.IWshRuntimeLibrary.dll - Assembly imported from type library 'IWshRuntimeLibrary'.
  • PCDRes.dll
  • unins000.exe - Setup/Uninstall
  • AMPIEDecoder.dll
  • HtmlRenderer.dll (by Open source hosted on CodePlex) - HTML Renderer
  • HtmlRenderer.WinForms.dll (by Open source hosted on CodePlex)
  • Interop.WUApiLib.dll - Assembly imported from type library 'WUApiLib'.
  • Microsoft.TeamFoundation.Common.dll (by Microsoft) - Microsoft® Visual Studio® 2012
  • NAudio.dll (by Mark Heath) - NAudio
  • Newtonsoft.Json.dll (by Newtonsoft) - Json.NET (Json.NET .NET 3.5)
  • System.Data.SQLite.DLL (by https://system.data.sqlite.org/) - System.Data.SQLite (System.Data.SQLite Core)
  • System.Data.SQLite.Linq.dll (by https://system.data.sqlite.org/) - System.Data.SQLite for LINQ
  • System.Threading.dll (by Microsoft) - Reactive Extensions Core Library (System.Threading)
  • TAFactory.IconPack.dll (by NCEEE) - IconPack

How do I remove System Diagnostics?

You can uninstall System Diagnostics 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 System Diagnostics, 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 System Diagnostics.

Uninstall it 9%
Keep it 91%
Windows 10

Distribution by countryGeography

87.88% of installs come from the United States
Which countries install it?
  United States 87.88%
  United Kingdom 7.58%
  Canada 4.55%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 47.06%
Toshiba 20.59%
Dell 17.65%
Intel 8.82%
Acer 2.94%
ASUS 2.94%
Common models
HP HP Notebook 18.75%
TOSHIBA Satellite L775D 9.38%
HP HP Pavilion Notebook 6.25%
TOSHIBA Satellite L870 3.13%
TOSHIBA Satellite L55-A 3.13%
TOSHIBA Satellite C855 3.13%


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