calibre calibre

A way to uninstall calibre from your PC

calibre is a computer program. This page contains details on how to remove it from your PC. The Windows version was created by Kovid Goyal. Further information on Kovid Goyal can be seen here. More details about the app calibre can be seen at . The application is often located in the C:\Program Files\Calibre2 directory (same installation drive as Windows). You can uninstall calibre by clicking on the Start menu of Windows and pasting the command line MsiExec.exe /I{688FB573-3AD3-4DF1-9BB8-1C6E5C2C446F}. Note that you might receive a notification for administrator rights. The application's main executable file is called calibre.exe and its approximative size is 56.50 KB (57856 bytes).

calibre contains of the executables below. They take 5.61 MB (5879296 bytes) on disk.

  • calibre-complete.exe (22.50 KB)
  • calibre-customize.exe (22.50 KB)
  • calibre-debug.exe (22.50 KB)
  • calibre-parallel.exe (22.50 KB)
  • calibre-server.exe (22.50 KB)
  • calibre-smtp.exe (22.50 KB)
  • calibre.exe (56.50 KB)
  • calibredb.exe (22.50 KB)
  • ebook-convert.exe (22.50 KB)
  • ebook-device.exe (22.50 KB)
  • ebook-edit.exe (85.00 KB)
  • ebook-meta.exe (22.50 KB)
  • ebook-polish.exe (22.50 KB)
  • ebook-viewer.exe (78.50 KB)
  • fetch-ebook-metadata.exe (22.50 KB)
  • lrf2lrs.exe (22.50 KB)
  • lrfviewer.exe (78.50 KB)
  • lrs2lrf.exe (22.50 KB)
  • markdown-calibre.exe (22.50 KB)
  • web2disk.exe (22.50 KB)
  • calibre-eject.exe (31.00 KB)
  • calibre-file-dialog.exe (35.00 KB)
  • cjpeg-calibre.exe (601.00 KB)
  • jpegtran-calibre.exe (324.00 KB)
  • JxrDecApp-calibre.exe (417.50 KB)
  • optipng-calibre.exe (140.50 KB)
  • pdfinfo.exe (1.04 MB)
  • pdftohtml.exe (1.23 MB)
  • pdftoppm.exe (1.18 MB) to view all...

The information on this page is only about version 3.17.0 of calibre. You can find below a few links to other calibre releases: to view all...
Many files, folders and registry data can not be deleted when you want to remove calibre from your PC.

Folders left behind when you uninstall calibre:
  • C:\Users\UserName\AppData\Local\calibre-cache
  • C:\Users\UserName\AppData\Roaming\calibre

The files below were left behind on your disk when you remove calibre:
  • C:\Users\UserName\AppData\Local\calibre-cache\ev\tdir-lock
  • C:\Users\UserName\AppData\Local\calibre-cache\server-access-log.txt
  • C:\Users\UserName\AppData\Local\calibre-cache\server-log.txt
  • C:\Users\UserName\AppData\Roaming\calibre\conversion\
  • C:\Users\UserName\AppData\Roaming\calibre\dynamic.pickle
  • C:\Users\UserName\AppData\Roaming\calibre\fonts\scanner_cache.json
  • C:\Users\UserName\AppData\Roaming\calibre\
  • C:\Users\UserName\AppData\Roaming\calibre\gui.json
  • C:\Users\UserName\AppData\Roaming\calibre\
  • C:\Users\UserName\AppData\Roaming\calibre\iterator.pickle
  • C:\Users\UserName\AppData\Roaming\calibre\metadata_sources\ISBNDB.json
  • C:\Users\UserName\AppData\Roaming\calibre\server-config.txt
  • C:\Users\UserName\AppData\Roaming\calibre\
  • C:\Users\UserName\AppData\Roaming\calibre\viewer.json

Use regedit.exe to manually remove from the Windows Registry the keys below:
  • HKEY_CURRENT_USER\Software\Microsoft\calibre 64bit
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\002AC5CF2AFD4BA42B0B1CAEA79AD5F0
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{688FB573-3AD3-4DF1-9BB8-1C6E5C2C446F}

Use regedit.exe to remove the following additional registry values from the Windows Registry:
  • HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Program Files\Calibre2\ebook-viewer.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\002AC5CF2AFD4BA42B0B1CAEA79AD5F0\ProductName
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\TCP Query User{C6F05A1A-88FB-4729-B71A-2930B6457C6C}C:\program files\calibre2\calibre.exe
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\UDP Query User{4235EF48-17A0-4306-ADBE-54F52F83FB37}C:\program files\calibre2\calibre.exe

How to uninstall calibre from your computer with the help of Advanced Uninstaller PRO

calibre is a program by Kovid Goyal. Frequently, people decide to erase this application. Sometimes this is hard because uninstalling this by hand takes some knowledge regarding PCs. The best QUICK practice to erase calibre is to use Advanced Uninstaller PRO. Here are some detailed instructions about how to do this:

1. If you don't have Advanced Uninstaller PRO on your Windows PC, add it. This is good because Advanced Uninstaller PRO is a very potent uninstaller and all around tool to optimize your Windows PC.


  • go to Download Link
  • download the program by pressing the DOWNLOAD NOW button
  • install Advanced Uninstaller PRO
2. Run Advanced Uninstaller PRO. Take some time to admire the program's design and number of features available. Advanced Uninstaller PRO is a very useful program.

3. Press the General Tools button
Go to General Tools

4. Click on the Uninstall Programs button
Go to Uninstall Programs

5. A list of the programs installed on your computer will be made available to you

6. Navigate the list of programs until you locate calibre or simply activate the Search feature and type in "calibre". If it exists on your system the calibre app will be found automatically. Notice that when you select calibre in the list , some information about the program is made available to you:

  • Star rating (in the left lower corner). The star rating explains the opinion other users have about calibre, ranging from "Highly recommended" to "Very dangerous".
  • Opinions by other users - Press the Read reviews button.
  • Technical information about the program you want to remove, by pressing the Properties button.
For instance you can see that for calibre:

  • The web site of the program is:
  • The uninstall string is: MsiExec.exe /I{688FB573-3AD3-4DF1-9BB8-1C6E5C2C446F}
7. Press the Uninstall button. A confirmation page will show up. accept the removal by pressing Uninstall. Advanced Uninstaller PRO will uninstall calibre.
Uninstall calibre

8. After removing calibre, Advanced Uninstaller PRO will offer to run an additional cleanup. Press Next to proceed with the cleanup. All the items that belong calibre that have been left behind will be found and you will be able to delete them. By removing calibre using Advanced Uninstaller PRO, you can be sure that no Windows registry entries, files or folders are left behind on your PC.

Your Windows system will remain clean, speedy and able to take on new tasks.


The text above is not a piece of advice to uninstall calibre by Kovid Goyal from your computer, nor are we saying that calibre by Kovid Goyal is not a good software application. This page only contains detailed info on how to uninstall calibre supposing you want to. The information above contains registry and disk entries that Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.

2018-02-09 / Written by Daniel Statescu for Advanced Uninstaller PRO

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Last update on: 2018-02-09 09:55:16.423