Problem:
Using Realflo v6.91.5 software, Realflo can read the configuration from the controller without any warnings but it is unable to save the file.It comes back with the following error messages:
Unable to write to file "C:users\owner\my documents\realflo\realflo_test.tfv'
and:
Unable to write to file "C:users\owner\my documents\realflo\realflo_test.tfx'
Status
code=0x800004003
code meaning = invalid pointer
source=(null)
description=(null)
Fix:
Reinstall MSXML4.DLL file. Go to the website Microsoft website or see link below.https://www.microsoft.com/en-us/download/details.aspx?id=36292
After the driver install, un-install Realflo software. restart PC and re-install Realflo. Read the configuration from the controller and save the configuration.