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LabVIEW Real-Time (RT) Installer Does not Install LabVIEW RT on my Host Computer

Primary Software: LabVIEW Modules>>Real-Time Module
Primary Software Version: 8.2
Primary Software Fixed Version: N/A
Secondary Software: Driver Software>>NI-Serial

Problem:
When I try to install LabVIEW RT 8.20 or 8.21, I get a cannot install symbol from the installer for the LabVIEW RT (see Figure 1 below). Why won't LabVIEW RT install?

Solution:
This is a known issue with host computers that already have an installation of the NI-Serial driver. You can verify this problem by checking your version of NI-Serial in the Read Me file. Select Start Programs » National Instruments » NI-Serial » Readme. If you have version 3.2 or greater, the LabVIEW RT v8.20 installer run on your host computer will have the display shown below (NI-Serial 3.3 or greater will have the same affect on LabVIEW RT v8.21).

Figure 1

There are some ways to put the host computer in a state where LabVIEW RT can install correctly.
  1. Uninstall the version of NI-Serial currently installed on the system by using the Control Panel.
  2. Install the NI-Serial for RT component using the NI-Serial installer. The version for the NI-Serial for RT installer should be the same as the NI-Serial currently on the host computer.
  3. Upgrade your installation for NI-Serial. Be sure that your installation includes NI-Serial support for LabVIEW RT (default setting).


The NI-Serial installers can be found at NI.com Drivers and Updates.

Related Links:

Attachments:


LVRT.bmp

Report Date: 07/02/2007
Last Updated: 08/13/2007
Document ID: 4B1C2CG2

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