WinGP will not operate if installed on an unsupported IPC or PC/AT compatible machine.
Exit all programs including virus check software.
Use a user account with administrator authority for installation.
Windows XP Embedded has a write protection setting. to install WinGP on your C drive, you need to disable the write protection filter setting. Using EWFSettingTool.exe, select "EWF Disable" to disable the setting before installation.
Windows XP Embedded User Manual
You cannot install WinGP on an IPC in which Pro-Server EX before V.1.10 or Pro-Server with Pro-Studio is installed. If an earlier version of Pro-EX exists, either uninstall or update Pro-Server EX to V1.10 or later.
Before you install WinGP on an iPC or PC/AT compatible machine, you need to install Pro-Server EX version 1.10 or later.
38.11.1 Restrictions On Installation