Issue
When trying to install TAC Vista and running the installation file the only option available in the installation wizard is to uninstall TAC Vista.
Product Line
TAC Vista
Environment
Vista server
Cause
A registry key which is not taken away when uninstalling TAC Vista is indicating to the installer that Vista is already installed.
Resolution
NOTE: Serious problems can occur if you modify the registry incorrectly. Make sure that you follow these steps careful.
- Open the Registry: go to Start > Run and type "regedit"
- Remove the folder for TAC Vista Server under:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
The Vista folder will contain "TAC Vista Server" in the "Display Name" field and can be found by selecting each folder.