References > Creo™ Schematics Installation and Administration Guide > Appendix > Troubleshooting Tips > Troubleshooting List > Creo Schematics Icon Disappears from the Taskbar
  
Creo Schematics Icon Disappears from the Taskbar
Symptom: A Creo Schematics icon appears for a few seconds in the taskbar and quickly disappears.
Cause: Network configuration settings are not properly set.
Solution: Make sure that the network settings are in accordance with the Suggested Technique for Configuration of a workstation for executing the Creo application.
Look for a file in the startup location called std.out and see if there are references to network errors. If there is a line that states Exception Code Was -1073741819, make sure the latest graphics driver is installed. The most recent graphics driver can be downloaded from the manufacturer's Web site. An alternative is to set the config.pro option graphics win32_gdi.