LabVIEW Is Starting Very Slow After Hard Shutdown of the PC

Updated Feb 10, 2020

Reported In


  • LabVIEW

Operating System

  • Windows

Issue Details

LabVIEW needs extremely long time to start up and, in this period, shows as not responding after a hard shutdown of the PC or a crash.


This could be a problem regarding a corrupted LabVIEW.ini file.

Locate your LabVIEW installation folder:

  • LabVIEW 32-bit: C:\Program Files (x86)\National Instruments\LabVIEW 20xx
  • LabVIEW 64-bit: C:\Program Files\National Instruments\LabVIEW 20xx 

In the LabVIEW installation folder, you will find the LabVIEW.ini file. If this file has a size grater than a few KBs (red Box in the Screenshot) it’s a corrupted INI-file which causes the long start-up time.

To resolve this issue, you need:

  1. Locate your LabVIEW.ini File
  2. Delete all the ini$$0.TMP Files (yellow Box in the Screenshot)
  3. Delete the LabVIEW.ini File (be aware that all your LabVIEW settings will be resettled)
  4. Restart LabVIEW

Additional Information

An .ini file is a plain text file set up to store and retrieve settings. These settings can be used to configure an application such as LabVIEW.
The LabVIEW.ini is created on the first start-up of LabVIEW and loaded each time LabVIEW starts.
Therefore, a force reinstall will not work to resolve this issue because the LabVIEW.ini file is not created or replaced by the LabVIEW installer.