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A guide to uninstall Zscaler from your PC

This page contains thorough information on how to remove Zscaler for Windows. The Windows version was created by Zscaler Inc.. More information on Zscaler Inc. can be found here. Usually the Zscaler program is found in the C:\Program Files (x86)\Zscaler folder, depending on the user's option during setup. The full uninstall command line for Zscaler is C:\Program Files (x86)\Zscaler\ZSAInstaller\uninstall.exe. ZSATray.exe is the Zscaler's main executable file and it takes around 3.26 MB (3414384 bytes) on disk.

The executables below are part of Zscaler. They take about 33.03 MB (34632464 bytes) on disk.

  • certutil.exe (131.36 KB)
  • npcap-1.00-oem.exe (770.85 KB)
  • Zscaler-Network-Adapter-1.0.1.0.exe (648.55 KB)
  • Zscaler-Network-Adapter-1.0.2.0.exe (647.66 KB)
  • Zscaler-Network-Adapter-Win10-1.0.2.0.exe (656.22 KB)
  • ZSAHelper.exe (619.36 KB)
  • uninstall.exe (6.74 MB)
  • ZSAService.exe (3.13 MB)
  • ZSAMTAuthApp.exe (84.86 KB)
  • ZSATray.exe (3.26 MB)
  • ZSATrayManager.exe (5.79 MB)
  • ZSATunnel.exe (7.68 MB)
  • ZSAUpdater.exe (2.97 MB)
...click to view all...

The current web page applies to Zscaler version 3.4.0.124 alone. Click on the links below for other Zscaler versions:

...click to view all...
After the uninstall process, the application leaves some files behind on the PC. Some of these are shown below.

Folders found on disk after you uninstall Zscaler from your computer:
  • C:\Program Files (x86)\Zscaler

Files remaining:
  • C:\Program Files (x86)\Zscaler\Common\lib\ZSAAuth.dll
  • C:\Program Files (x86)\Zscaler\Common\lib\ZSALogger.dll
  • C:\Program Files (x86)\Zscaler\Common\lib\ZSATrayHelper.dll
  • C:\Program Files (x86)\Zscaler\Common\resources\ZscalerApp.ico
  • C:\Program Files (x86)\Zscaler\Common\resources\ZscalerApp.png
  • C:\Program Files (x86)\Zscaler\Common\resources\ZscalerAppSplash.png
  • C:\Program Files (x86)\Zscaler\Common\resources\ZscalerAppTop.png
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\certutil.exe
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\freebl3.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\libnspr4.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\libplc4.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\libplds4.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\msvcr120.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\nspr4.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\nspr-LICENSE
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\nss3.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\nssckbi.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\nss-COPYING
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\nssdbm3.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\nssutil3.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\plc4.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\plds4.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\smime3.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\softokn3.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\sqlite3.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\CertUtil\ssl3.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\Npcap\Libpcap-License.txt
  • C:\Program Files (x86)\Zscaler\ThirdParty\Npcap\npcap-0.9995-oem.exe
  • C:\Program Files (x86)\Zscaler\ThirdParty\Npcap\npcap-0.99-r7-oem.exe
  • C:\Program Files (x86)\Zscaler\ThirdParty\Npcap\npcap-1.00-oem.exe
  • C:\Program Files (x86)\Zscaler\ThirdParty\Npcap\WinPcap-License-And-Acknowledgements.txt
  • C:\Program Files (x86)\Zscaler\ThirdParty\PacParser\pacparser.dll
  • C:\Program Files (x86)\Zscaler\ThirdParty\TAPDriver\Zscaler-Network-Adapter-1.0.1.0.exe
  • C:\Program Files (x86)\Zscaler\ThirdParty\TAPDriver\Zscaler-Network-Adapter-1.0.2.0.exe
  • C:\Program Files (x86)\Zscaler\ThirdParty\TAPDriver\Zscaler-Network-Adapter-Win10-1.0.2.0.exe
  • C:\Program Files (x86)\Zscaler\Updater\md5.xml
  • C:\Program Files (x86)\Zscaler\Updater\tmp\Zscaler-windows-3.4.0.124-installer.exe
  • C:\Program Files (x86)\Zscaler\Updater\update.ini
  • C:\Program Files (x86)\Zscaler\Updater\validinstaller
  • C:\Program Files (x86)\Zscaler\Updater\zscalerappupdater.exe
  • C:\Program Files (x86)\Zscaler\Updater\zscalerchecksumverifier.exe
  • C:\Program Files (x86)\Zscaler\ZSACredentialProviders\ZSACredentialProvider.dll
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x64\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x64\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x64\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x86\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x86\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x86\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x64\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x64\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x64\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x86\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x86\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x86\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x64\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x64\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x64\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x86\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x86\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x86\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x64\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x64\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x64\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x86\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x86\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x86\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAHelper\ZSAHelper.exe
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ThirdParty\PacParser\pacparser.dll
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ThirdParty\TAPDriver\Zscaler-Network-Adapter-1.0.1.0.exe
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ThirdParty\TAPDriver\Zscaler-Network-Adapter-1.0.2.0.exe
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ThirdParty\TAPDriver\Zscaler-Network-Adapter-Win10-1.0.2.0.exe
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSACredentialProviders\ZSACredentialProvider.dll
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x64\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x64\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x64\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x86\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x86\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\10.0\x86\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x64\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x64\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x64\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x86\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x86\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.1\x86\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x64\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x64\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x64\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x86\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x86\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.2\x86\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x64\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x64\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x64\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x86\zapprd.cat
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x86\zapprd.inf
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAFilterDriver\6.3\x86\zapprd.sys
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAHelper\ZSAHelper.exe
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSAService\ZSAService.exe
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSATray\Newtonsoft.Json.dll
  • C:\Program Files (x86)\Zscaler\ZSAInstaller\rollbackBackupDirectory\C\Program Files (x86)\Zscaler\ZSATray\ZSATray.exe

Use regedit.exe to manually remove from the Windows Registry the data below:
  • HKEY_CURRENT_USER\Software\Zscaler
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Zscaler
  • HKEY_LOCAL_MACHINE\Software\Zscaler Inc.

Registry values that are not removed from your PC:
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-3428504695-1781250262-393440609-1001\\Device\HarddiskVolume3\Program Files (x86)\Zscaler\ZSATray\ZSATray.exe
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\zapprd\Description
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\zapprd\DisplayName
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ZSAService\ImagePath
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ZSATrayManager\ImagePath
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ZSATunnel\ImagePath
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ZSAUpdater\ImagePath
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ztap\DisplayName


How to erase Zscaler from your computer with the help of Advanced Uninstaller PRO

Zscaler is an application by Zscaler Inc.. Frequently, people want to remove it. Sometimes this can be troublesome because uninstalling this by hand requires some experience regarding removing Windows programs manually. The best SIMPLE practice to remove Zscaler is to use Advanced Uninstaller PRO. Take the following steps on how to do this:





1. If you don't have Advanced Uninstaller PRO already installed on your Windows system, install it. This is good because Advanced Uninstaller PRO is a very useful uninstaller and general tool to maximize the performance of your Windows PC.

DOWNLOAD NOW

  • go to Download Link
  • download the setup by pressing the DOWNLOAD NOW button
  • set up Advanced Uninstaller PRO
2. Run Advanced Uninstaller PRO. It's recommended to take your time to admire the program's interface and wealth of tools available. Advanced Uninstaller PRO is a powerful Windows optimizer.

3. Click on the General Tools button
Go to General Tools


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


5. All the applications installed on the computer will appear

6. Scroll the list of applications until you locate Zscaler or simply click the Search field and type in "Zscaler". The Zscaler application will be found automatically. Notice that after you click Zscaler in the list of applications, the following information about the application is made available to you:


  • Safety rating (in the left lower corner). The star rating tells you the opinion other people have about Zscaler, ranging from "Highly recommended" to "Very dangerous".
  • Reviews by other people - Click on the Read reviews button.
  • Details about the app you want to uninstall, by pressing the Properties button.
7. Click the Uninstall button. A confirmation window will come up. accept the uninstall by pressing Uninstall. Advanced Uninstaller PRO will then uninstall Zscaler.
Uninstall Zscaler


8. After removing Zscaler, Advanced Uninstaller PRO will ask you to run a cleanup. Press Next to start the cleanup. All the items that belong Zscaler which have been left behind will be detected and you will be asked if you want to delete them. By removing Zscaler using Advanced Uninstaller PRO, you are assured that no registry items, files or directories are left behind on your disk.

Your computer will remain clean, speedy and able to run without errors or problems.



Disclaimer

This page is not a recommendation to remove Zscaler by Zscaler Inc. from your PC, nor are we saying that Zscaler by Zscaler Inc. is not a good application. This text simply contains detailed info on how to remove Zscaler in case you want to. Here you can find registry and disk entries that Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' PCs.

2021-05-12 / Written by Daniel Statescu for Advanced Uninstaller PRO

follow @DanielStatescu
Last update on: 2021-05-12 19:07:20.247