This guide gives information about how Ozeki
Phone System XE 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).
Figure 1 - Run Services.msc
Stop the Ozeki Phone System XE service (Figure 2).
Figure 2 - Stop the Ozeki Phone System XE service
Step 2.) Delete the application directory
Use Windows Explorer to delete this directory:
C:\Program Files\Ozeki\Ozeki Phone System XE (Figure 3).
Figure 3 - Delete Ozeki Phone System XE directory
Step 3.) Delete the uninstaller from the registry
Start -> Run -> regedit.exe (Figure 4).
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 XE
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).
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 XE
My subkey was: HKEY_LOCAL_MACHINESOFTWAREClassesInstallerProducts 0DC3458C85FF52C4BBA280307134CC27
Delete this 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 XE. Delete this subkey!
Figure 7 - Delete Ozeki Phone System XE service
NOTE: Please restart the computer before re-installing Ozeki Phone System XE!