84,488,480 programs installed

Should I remove WinCalendar?

What percent of users and experts removed it?
2% remove it98% 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 #14,939
United States Rank #9,220
Reach 0.0187%
Lifespan of installation (until removal)
< 11.46 days
337.97 days >
Average installed length: 177.58 days


4.43 5.42%
4.40 0.27%
4.33 9.21%
4.31 8.67%
4.30 2.17%
4.28 1.63%
4.27 9.21%
4.25 5.42%
4.23 11.11%
4.20 3.79%
4.18 4.88%
4.15 5.42%
4.14 14.36%
4.11 1.36%
4.10 2.98%
4.08 8.13%
4.07 2.44%
4.06 1.90%
4.04 1.63%

Other programs by Sapro Systems

WinCalendar V4


WinCalendar V4 is a program developed by Sapro Systems. The most used version is 4.14, 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 software installer includes 10 files and is usually about 9.95 MB (10,436,085 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 78% of users of WinCalendar come from the United States, it is also popular in United Kingdom and Canada.

Program detailsProgram details

URL: www.WinCalendar.com
Help link: www.WinCalendar.com/support.html
Installation folder: C:\Program Files\wincalendar v4
Uninstaller: "C:\Program Files\WinCalendar V4\FullUninstaller.exe"
Estimated size: 9.95 MB

Program filesFiles installed by WinCalendar V4

  • WinCalendarV4.dll - Sapro Systems WinCalendar (WinCalendar program file.)
  • WinCalendarV4_SysTray.exe - WinCal_HotKeyAndSysTray
  • ScrollingWinCalV3.ocx - ScrollingWinCalV3
  • WinCalendar.exe - WinCalendar.com
  • InstallWinCalendar.exe - ProjectInstall
  • IsExcelorWordRunning.exe - IsExcelRunning
  • SSHovButton.ocx - SSHovButton
  • UNinstallWinCalendar.exe - un_installR
  • FullUninstaller.exe

Program behaviorsBehaviors exhibited

Scheduled Task
  • WinCalendar.exe is scheduled as a task with the class '{5FC76598-DEDF-4E69-893B-7B68960884CD}' (runs on registration).
Scheduled Task (Boot/Login)
  • WinCalendarV4_SysTray.exe is automatically launched at startup through a scheduled task named 4.
Startup File (User Run)
  • WinCalendarV4_SysTray.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'WinCalendar V4' and executes as "C:\Program Files\WinCalendar V4\WinCalendarV4_SysTray.exe /q /c".
Startup File (All Users Run)
  • WinCalendarV4_SysTray.exe is loaded in the all users (HKLM) registry as a startup file name 'WinCalendar V4' which loads as "C:\Program Files\WinCalendar V4\WinCalendarV4_SysTray.exe" /q /c.

How do I remove WinCalendar?

You can uninstall WinCalendar 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 WinCalendar V4, 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 WinCalendar.

Win 7 (SP1) 53%
Win Vista (SP1) 0%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 2%
Keep it 98%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 54.74%
Windows 10 34.69%
Windows XP 6.50%
Windows Vista 4.07%
Which OS releases does it run on?
Windows 7 Home Premium 30.52%
Windows 7 Professional 16.62%
Windows 10 Home 12.81%
Windows 8.1 7.36%
Windows 7 Ultimate 7.08%
Microsoft Windows XP 5.99%

Distribution by countryGeography

78.13% of installs come from the United States
Which countries install it?
  United States 78.13%
  United Kingdom 4.67%
  Canada 3.18%
  Australia 2.06%
  Belgium 1.31%
  Germany 0.93%
  India 0.75%
  Spain 0.75%
  Sweden 0.56%
  South Africa 0.56%
  PR 0.56%
  Hong Kong 0.37%
  Hungary 0.37%
  Italy 0.37%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 33.91%
Hewlett-Packard 31.76%
Acer 9.87%
Lenovo 6.87%
ASUS 5.58%
Toshiba 5.58%
Sahara 1.29%
Intel 0.86%
Common models
HP Pavilion dv7 Notebook ... 4.03%
HP Pavilion dv6 Notebook ... 3.36%
HP Pavilion g7 Notebook P... 3.36%
HP Pavilion g6 Notebook P... 3.36%
HP Pavilion 17 Notebook P... 2.68%
Dell Inspiron N5050 2.01%


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