84,488,480 programs installed

Should I remove Microsoft Compression Client Pack for Windows XP?

What percent of users and experts removed it?
7% remove it93% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #430
United States Rank #483
Reach 1.4696%
Lifespan of installation (until removal)
< 26.25 days
774.52 days >
Average installed length: 406.95 days


1 100.00%

Typically installed together

Other programs by Microsoft

Microsoft Compression Client Pack 1.0 for Windows XP

What is Microsoft Compression Client Pack for Windows XP?

The Microsoft Compression Client Pack 1.0 for Microsoft Windows XP and Microsoft Windows Server 2003 contains the Msdelta.dll file. The Msdelta.dll file is a library that is part of the Windows Vista operating system. The Msdelta.dll file exports functionality to create and apply binary deltas. These deltas are used to efficiently download updates for Windows Vista. This advanced compression technology is also suitable for many other differential compression scenarios.

About  (from Microsoft)

MSDelta is the next generation of the PatchAPI compression technology that was included in earlier version of the Windows operating system. MSDelta typically produces smaller deltas than PatchAPI.


The primary executable is named spuninst.exe. The setup package generally installs about 17 files and is usually about 1.12 MB (1,171,051 bytes). The installed file update.exe is the auto-update component of the program which is designed to check for software updates and notify and apply them when new versions are discovered.

Program detailsProgram details

URL: support.microsoft.com/kb/927374
Help link: go.microsoft.com/fwlink/?LinkId=74087
Installation folder: C:\windows\$hf_mig$\kb2079403
Uninstaller: "C:\WINDOWS\$NtUninstallMSCompPackV1$\spuninst\spuninst.exe"
Estimated size: 1.12 MB

Program filesFiles installed by Microsoft Compression Client Pack 1.0 for Windows XP

Program executable:spuninst.exe
Name:Windows Service Pack Uninstall
Additional files:
  • spmsg.dll - Sistema operativo Microsoft® Windows® (Mensajes de Service Pack)
  • UPDSPAPI.DLL - Windows Servicing Setup API
  • spcustom.dll - Microsoft Update Custom Component Locator
  • msxml3.dll - Microsoft(R) MSXML 3.0 SP10 (MSXML 3.0 SP10)
  • update.exe - Windows Service Pack Setup
  • browseui.dll - Shell Browser UI-Bibliothek
  • mshtml.dll - Microsoft (R) HTML Viewer
  • shdocvw.dll - Bibliothek für Shell-Dokumente und -Steuerelemente
  • urlmon.dll - OLE32-Erweiterung für Win32
  • wininet.dll - Interneterweiterungen für Win32
  • iecustom.dll - Windows® Internet Explorer (Internet Explorer Setup DLL)
  • shfolder.dll - Shell Folder Service
  • spupdsvc.exe - Update RunOnce Service

Program resource utilizationResource utilization averages

Total CPU:11.8659459459%
0.031193% average
Kernel CPU:2.42162162%
0.016088% average
User CPU:9.44432432%
0.015104% average

How do I remove Microsoft Compression Client Pack for Windows XP?

You can uninstall Microsoft Compression Client Pack for Windows XP 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 Microsoft Compression Client Pack 1.0 for Windows XP, 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 Microsoft Compression Client Pack for Windows XP.

Win XP 96%
Win Vista (SP1) 0%
Uninstall it 7%
Keep it 93%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows XP 99.12%
Windows 7 0.77%
Windows Vista 0.07%
Windows 10 0.05%
Which OS releases does it run on?
Microsoft Windows XP 99.19%
Windows 7 Home Premium 0.38%
Windows 7 Professional 0.24%
Windows Vista Home Premiu... 0.05%
Windows 7 Ultimate 0.04%
Windows 8.1 0.01%

Distribution by countryGeography

45.12% of installs come from the United States
Which countries install it?
  United States 45.12%
  Germany 6.09%
  United Kingdom 4.33%
  Italy 3.93%
  Canada 3.73%
  France 3.72%
  Brazil 2.70%
  Israel 2.23%
  Spain 2.15%
  Taiwan 1.91%
  Australia 1.79%
  Japan 1.32%
  Poland 1.04%
  Netherlands 1.01%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 35.90%
Intel 12.81%
American Megatrends 12.74%
Hewlett-Packard 8.31%
Sahara 7.48%
Acer 4.02%
ASUS 1.82%
Toshiba 1.69%
Samsung 0.80%
NEC 0.77%
Common models
Dell OptiPlex GX620 ... 3.67%
Dell Computer Dimension 2... 3.55%
Dell OptiPlex 745 ... 3.08%
Dell Computer Dimension 3... 2.68%

About Microsoft

Microsoft Corporation develops, manufactures, licenses and supports a variety of products and services related to computing.
Publisher URL: www.microsoft.com


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