84,488,480 programs installed

Should I remove yBook?

What percent of users and experts removed it?
8% remove it92% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #19,570
United States Rank #14,845
Reach 0.0114%
Lifespan of installation (until removal)
< 18.31 days
540.20 days >
Average installed length: 283.83 days


What is yBook?  (from Spacejock Software)

Display ebooks on side-by-side or single pages. Resize the pages, adjust the margins, set text and paper colour. Loads TXT, HTML and compressed PDB or PRC text files. Search for words or phrases. Automatic bookmarks. Text sizes from tiny to HUGE. No zooming, panning or scrolling, books are reformatted to fit your chose...  Read more


yBook is a software program developed by Spacejock Software. The setup package generally installs about 12 files and is usually about 6.86 MB (7,188,080 bytes). The installed file Updater.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. 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 61% of users of yBook come from the United States, it is also popular in Czech Republic and Germany.

Program detailsProgram details

URL: www.spacejock.com/yBook.html
Help link: www.spacejock.com
Installation folder: C:\users\user\documents\yBook\
Uninstaller: "C:\users\user\documents\yBook\unins000.exe"
Estimated size: 6.86 MB

Program filesFiles installed by yBook

  • yBook_Stub.exe - yBook e-Text reader
  • yBookmaker.exe - BookMaker
  • BatchConvert.exe - MyProg
  • yBook.exe - yBook
  • yBookEXE.exe - yBook Setup
  • unins000.exe - Setup/Uninstall
  • Unrar.dll - RAR decompression library
  • Unzip32.dll (by Info-ZIP) - Info-ZIP's UnZip Windows DLL (Info-ZIP's UnZip DLL for Win32)
  • Updater.exe - Updater
  • Y.Book..exe
  • yBook.dll
  • yHtml.dll

How do I remove yBook?

You can uninstall yBook 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 yBook, 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 yBook.

Win 7 (SP1) 61%
Win XP 1%
Uninstall it 8%
Keep it 92%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 66.52%
Windows 10 15.63%
Windows XP 10.71%
Windows Vista 7.14%
Which OS releases does it run on?
Windows 7 Home Premium 41.82%
Windows 7 Professional 12.27%
Microsoft Windows XP 10.00%
Windows 7 Ultimate 9.55%
Windows 8.1 4.09%
Windows 10 Home 3.64%

Distribution by countryGeography

61.22% of installs come from the United States
Which countries install it?
  United States 61.22%
  Czech Republic 9.86%
  Germany 8.50%
  Canada 2.72%
  Slovakia 2.38%
  United Kingdom 2.38%
  Australia 1.36%
  Netherlands 1.36%
  Italy 1.36%
  Spain 1.02%
  Croatia 1.02%
  India 0.68%
  Venezuela 0.68%
  Poland 0.68%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 26.62%
Dell 23.02%
Acer 21.58%
Toshiba 6.47%
ASUS 4.32%
Lenovo 3.60%
American Megatrends 2.16%
Samsung 1.44%
Common models
HP Pavilion dv6 Notebook ... 5.45%
Dell Inspiron 1545 1.82%
Dell Studio XPS 435T/9000 1.82%
Gigabyte G31M-S2L 1.82%
Acer Aspire V5-573G 1.82%
Acer AO722 1.82%

Publisher URL: www.spacejock.com


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