Discover3D.exe and DiscoverPA.exe application error: "The application was unable to start correctly (0xc0000005)"

Products Affected: Discover PA™, Discover 3D™

Issue

 
  • "PA.exe - Application Error" - The application was unable to start correctly (0xc0000005). Click OK to close the application."
pa

When opening Discover PA, an error is displayed:
  • "Discover3D.exe - Application Error"  - The application was unable to start correctly (0xc0000005). Click OK to close the application." 
The error may also mention "ermapper_u.dll" in the error details.


User-added image

Cause

This is error typically occurs due to the PATH environment variable being longer than 1643 characters.

Resolution

UPDATED: July 23, 2019
To view or change environment variables:

1. Right-click Computer on the desktop icon or in Windows Explorer, and then click Properties.
2. Click on Advanced System Settings  or Click the Advanced tab (Windows XP).
3. Click the Environment variables button.
4. In the System Variables list (second list) - scroll down and find "Path"
5. Select this and click Edit...
6. Copy and paste the contents into a text editor or Word. If the PATH longer the 1643 characters, then the PATH must be edited.

Users may wish to engage their IT Dept. to resolve this issue.