84,488,480 programs installed

Should I remove Nuance PDF Viewer Plus?

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 #786
United States Rank #567
Reach 0.8703%
Lifespan of installation (until removal)
< 19.46 days
574.07 days >
Average installed length: 301.63 days


7.10.6400 0.01%
7.10.3211 2.29%
5.30.6481 0.55%
5.30.6480 0.01%
5.30.3296 2.13%
5.30.3290 93.38%
5.30.3281 0.25%
5.03.6480 0.60%
5.03.3295 0.50%
5.03.3280 0.27%

Typically installed together

Other programs by Nuance Communications

Nuance PDF Viewer Plus

What is Nuance PDF Viewer Plus?  (from Nuance Communications)

Get ready to rethink your choice of free PDF reader. Nuance PDF Reader enables you to do much more than just view PDF files. You can convert PDF files to Word, Excel, and RTF via a hosted web service. Use annotation tools to highlight, cross-out, and underline text for more effective collaboration. Even fill out and sa...  Read more


Nuance PDF Viewer Plus is a program developed by Nuance Communications. The most used version is 5.30.3290, with over 98% of all installations currently using this version. Upon installation and setup, it defines an auto-start registry entry which makes this program run on each Windows boot for all user logins. 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 programs's main executable is pdfPro5Hook.exe and has been seen to consume an average CPU of less than one percent, and utilizes about 1.87 MB of memory. The software installer includes 117 files and is usually about 35.57 MB (37,298,384 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 62% of users of Nuance PDF Viewer Plus come from the United States, it is also popular in Germany and Canada.

Program detailsProgram details

URL: www.nuance.com
Help link: support.nuance.com
Installation folder: C:\Program Files\Nuance\PDF Viewer Plus\
Uninstaller: MsiExec.exe /X{28656860-4728-433C-8AD4-D1A930437BC8}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 35.57 MB

Program filesFiles installed by Nuance PDF Viewer Plus

Program executable:pdfPro5Hook.exe
Name:Nuance PDF Products
PdfCreateHook Application
Signed by:Nuance Communications
Path:C:\Program Files\Nuance\PDFViewerPlus\pdfPro5Hook.exe
Additional files:
  • AppDomainLoader.dll - ScanSoft OmniPage Capture SDK (XPSFACTORYWRAPPER.DLL)
  • DocXManagedWrapper.dll - DocX Converter Managed Wrapper
  • ExcelXManagedWrapper.dll - XlsX Converter Managed Wrapper
  • PPTXManagedWrapper.dll - PPTX Converter Managed Wrapper
  • Asian.dll - Nuance OmniPage Capture SDK
  • CRX.dll
  • Defaults.dll
  • FireWrx.dll
  • FmxLFR.dll
  • FmxOcrA.dll
  • FmxVirt.dll
  • Formatter.dll
  • IF_PNG.dll - IF_PNG Dynamic Link Library
  • KernelAPI.dll
  • LecsoMgr.dll
  • LecsoX.OXML.Converters.PresentationML.dll - LecsoX.OXML.Converters.PresentationML
  • LecsoX.OXML.Converters.SpreadSheetML.dll - LecsoX.OXML.Converters.SpreadSheetML
  • LecsoX.OXML.Converters.WordProcessingML.dll - LecsoX.OXML.Converters.WordProcessingML
  • LFRModIfc.dll
  • LOGMAN.dll
  • Mor.dll
  • MorIF.dll
  • mrcr3_1s.dll - Mixed Raster Content Reader
  • pccext.dll
  • pdread.dll
  • cmpdfpropi.dll - Nuance PDF Products
  • cnvpropsheets.dll - PDF Converter settings
  • cnvres_bra.dll - PDF Converter Resource Dynamic Link Library
  • cnvres_bul.dll
  • cnvres_czh.dll
  • cnvres_dan.dll
  • cnvres_dut.dll
  • cnvres_eng.dll
  • cnvres_fre.dll
  • cnvres_ger.dll
  • cnvres_hun.dll
  • cnvres_ita.dll
  • cnvres_nor.dll
  • cnvres_pol.dll
  • cnvres_rom.dll
  • cnvres_rus.dll
  • cnvres_slo.dll
  • cnvres_spa.dll
  • cnvres_swe.dll
  • cnvsts.dll
  • imgpdf.dll
  • NuanceWDS.exe
  • PDFCOffice2007Addin.dll
  • PDFCOffice2007Addin_x64.dll
  • PDFEngine.dll - PDF Converter Engine Interface
  • pdfPro5Hook.exe - PdfCreateHook Application
  • PdfPro7Hook.exe
  • PDFProCMWrp.exe
  • PDFProFilter.dll
  • PDFProFiltSrv.exe
  • PDLight.dll - PDF Utility Dynamic Link Library
  • RegistryController.exe - PDF Converter Registry Controller
  • res_bra.dll - Resource Dynamic Link Library

Program behaviorsBehaviors exhibited

2 Scheduled Tasks
  • RegistryController.exe is scheduled as a task named 'Chameleon Monitor 18'.
  • pdfPro5Hook.exe is scheduled as a task named 'Chameleon Monitor 19'.
2 Scheduled Tasks (Boot/Login)
  • RegistryController.exe is automatically launched at startup through a scheduled task named 13.
  • pdfPro5Hook.exe is automatically launched at startup through a scheduled task named 12.
3 Startup Files (All Users Run)
  • PdfPro7Hook.exe is loaded in the all users (HKLM) registry as a startup file name 'PDFHook' which loads as C:\Program Files\Nuance\PDF Viewer Plus\pdfpro7hook.exe.
  • RegistryController.exe is loaded in the all users (HKLM) registry as a startup file name 'PDF5 Registry Controller' which loads as C:\Program Files\Nuance\PDF Viewer Plus\RegistryController.exe.
  • pdfPro5Hook.exe is loaded in the all users (HKLM) registry as a startup file name 'PDFHook' which loads as C:\Program Files\Nuance\PDF Viewer Plus\pdfpro5hook.exe.

Program resource utilizationResource utilization averages

Memory:1.87 MB
21.09 MB average
Total CPU:0.0000145485%
0.031193% average
Kernel CPU:0.00000939%
0.016088% average
User CPU:0.00000516%
0.015104% average
CPU cycles/sec:2,521
8,062,084 average
I/O reads/min:3 Bytes
435.61 KB average
Memory:1.81 MB
Total CPU:0.0001217702%
Kernel CPU:0.00006194%
User CPU:0.00005983%
CPU cycles/sec:3,978

How do I remove Nuance PDF Viewer Plus?

You can uninstall Nuance PDF Viewer Plus 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 Nuance PDF Viewer Plus, 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 Nuance PDF Viewer Plus.

Win 7 (SP1) 56%
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 58.01%
Windows 10 33.46%
Windows Vista 4.65%
Windows XP 3.87%
Windows Server 2003 0.01%
Which OS releases does it run on?
Windows 7 Home Premium 35.29%
Windows 7 Professional 14.38%
Windows 10 Home 13.49%
Windows 8.1 8.54%
Windows 7 Ultimate 7.09%
Windows 10 Pro 5.20%

Distribution by countryGeography

62.14% of installs come from the United States
Which countries install it?
  United States 62.14%
  Germany 9.09%
  Canada 5.83%
  Australia 2.60%
  United Kingdom 2.58%
  Italy 2.36%
  France 2.30%
  Netherlands 1.63%
  Belgium 0.96%
  Spain 0.90%
  Israel 0.87%
  New Zealand 0.73%
  Mexico 0.70%
  Brazil 0.70%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 27.35%
Dell 25.29%
Acer 15.31%
Toshiba 9.18%
ASUS 8.82%
Lenovo 3.40%
Samsung 2.90%
Intel 1.40%
Medion 1.11%
American Megatrends 0.69%
Common models
HP Pavilion dv6 Notebook ... 6.18%
HP Pavilion dv7 Notebook ... 5.36%
ASUS All Series 4.77%
HP Pavilion g6 Notebook P... 3.77%
HP Pavilion g7 Notebook P... 3.53%
Dell Inspiron 3847 2.21%

About Nuance Communications

Nuance provides speech and imaging applications for businesses and consumers whose products focus on server & embedded speech recognition, telephone call steering systems, automated telephone directory services, medical transcription software & systems, optical character recognition software, and desktop imaging software.
Publisher URL: www.nuance.com


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