Why do I get the error "Error: Cannot open WinDriver device" when running the APEX 20KE peripheral component interconnect (PCI) development kit application? (PCI development kit) - Why do I get the error "Error: Cannot open WinDriver device" when running the APEX 20KE peripheral component interconnect (PCI) development kit application? (PCI development kit) Description This problem occurs in version 2.0.0 of the PCI compiler if the driver for the PCI development kit application is not installed correctly. The Kit Application Install shield automatically copies files as follows: Table 1. PCI Development Kit File Locations Operating System File Location Windows 2000 altera.inf \winNT\inf windrvr.sys \WinNT\system32\drivers wdpnp.sys \WinNT\system32\drivers Windows 98 alt.inf \windows\inf windrvr.sys \Windows\system\drivers wdpnp.sys \Windows\system\drivers Windows NT Wpdnp.sys \winNT\system32\drivers Direct the Windows New Hardware Wizard to these files manually if the system cannot find these files automatically. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']