The Pathloss installation program before August 1999 did not properly set the Windows registry entry to load Pathloss files with a .pl4 extension when double clicked. The document provides steps to edit the registry and add the missing %1 portion to the "ab" icon entry, which specifies the Pathloss program installation directory so that double clicking .pl4 files will now start the program and load the file.
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Pl4file association
1. Pathloss Version 4.0 File Association
The pathloss installation program did not complete the Windows registry entry correctly on
shipments before August 1999. Double clicking on a pathloss file (pl4) would start the
program but did not load the file. The procedure to edit the registry and correct this
problem is given in the steps below.
Click Start - Run and enter the command line REGEDIT. Click OK to start the windows
registry editor program.
Select Edit - Find.. on the
menu bar and enter the
search string pl4file.
The correct location is
shown in the directory structure on the right.
Double click on the ab icon
and edit the entry as shown.
The %1 is the missing
portion. The path name will
be the directory that the
pathloss program was
installed in.
Click OK and close
REGEDIT program.