Manual uninstall

This guide gives information about how Ozeki Phone System software can be uninstalled manually. Normally you will not use this information, because the software can be handled as any other .msi installation package.

Step 1.) Stop the service

  • Start -> Run -> services.msc (Figure 1).

run service.msc
Figure 1 - Run Services.msc

  • Stop the Ozeki Phone System service (Figure 2).

stop the ozeki phone system service
Figure 2 - Stop the Ozeki Phone System service

Step 2.) Delete the application directory

  • Use Windows Explorer to delete this directory:
  • C:\Program Files\Ozeki\Ozeki Phone System (Figure 3).

delete the ozeki phone system directory
Figure 3 - Delete Ozeki Phone System directory

Step 3.) Delete the uninstaller from the registry

  • Start -> Run -> regedit.exe (Figure 4).

run regedit
Figure 4 - Run regedit.exe

  • Open the following key:

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstall
Browse through the subkeys. One of the subkeys will be referring to Ozeki Phone System
My subkey was: HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstall{C8543CD0-FF58-4C25-BB2A-08031743CC72}

You need to delete this subkey! To do this click on the Ozeki Phone System XE subkey folder and choose "Delete" from the pop-up menu (Figure 5).

delete your uninstall subkey
Figure 5 - Delete your uninstall subkey

Step 4.) Delete the installed product entry from the registry

  • Start -> Run -> regedit.exe
  • Open the following key:

HKEY_LOCAL_MACHINESOFTWAREClassesInstallerProducts Phone System
Browse through the subkeys. One of the subkeys will be referring to Ozeki Phone System
My subkey was: HKEY_LOCAL_MACHINESOFTWAREClassesInstallerProducts
0DC3458C85FF52C4BBA280307134CC27
Delete this subkey!

delete your product subkey
Figure 6 - Delete your product subkey

Step 5.) Delete the service from the registry

  • Start -> Run -> regedit.exe
  • Open the following key:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesOzeki Phone System
Browse through the subkeys. One of the subkeys will be referring to Ozeki Phone System. Delete this subkey!

delete ozeki phone system service
Figure 7 - Delete Ozeki Phone System service

NOTE: Please restart the computer before re-installing Ozeki Phone System!

Helpful pages to get started with PBX:

For more information please contact us at info@ozekiphone.com

More information