On 2017-03-25 16:09, Dan Gearty wrote:
> I have been using the loopback driver on Windows 10.
> It had been running OK in older versions up to 4.2.8p9.
> Now in 4.2.8p10 it appears that junk characters are appended to the
> driver name when it is called. The junk characters are different each
> time NTP is restarted.
> 25 Mar 16:57:32 ntpd[14436]: load_pps_provider: 'C:\Program Files
> (x86)\NTP\bin\loopback-ppsapi-provider.dll???????nY?': The specified module
> could not be found
> 25 Mar 16:57:32 ntpd[14436]: time_pps_create: load failed (C:\Program Files
> (x86)\NTP\bin\loopback-ppsapi-provider.dll???????nY?) --> 2 / No such file
> or directory
> 25 Mar 16:57:32 ntpd[14436]: load_pps_provider: 'C:\Program Files
> (x86)\NTP\bin\??h?l?': The specified module could not be found
> 25 Mar 16:57:32 ntpd[14436]: time_pps_create: load failed (C:\Program Files
> (x86)\NTP\bin\??h?l?) --> 2 / No such file or directory
> 25 Mar 16:57:32 ntpd[14436]: load_pps_provider: 'C:\Program Files
> (x86)\NTP\bin\A': The specified module could not be found
> 25 Mar 16:57:32 ntpd[14436]: time_pps_create: load failed (C:\Program Files
> (x86)\NTP\bin\A) --> 2 / No such file or directory
> 25 Mar 16:57:32 ntpd[14436]: time_pps_create: no providers available
> 25 Mar 16:57:32 ntpd[14436]: refclock_ppsapi: time_pps_create: Exec format
> error
> 25 Mar 16:57:32 ntpd[14436]: GPS_NMEA(4) flag1 1 but PPSAPI fails

Have you defined the System (HKLM) environment variable PPSAPI_DLLS to 
point to C:\Program Files (x86)\NTP\bin\loopback-ppsapi-provider.dll?

Win-Break/Advanced system settings/Advanced tab/Environment Variables... button/
/System variables pane/New.../New System Variable dialogue:
Variable name:  PPSAPI_DLLS
Variable value: C:\Program Files (x86)\NTP\bin\loopback-ppsapi-provider.dll

reg query "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session 
Manager\Environment" /f PPSAPI_DLLS
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment
    PPSAPI_DLLS    REG_SZ    C:\Program Files 
(x86)\NTP\bin\loopback-ppsapi-provider.dll
End of search: 1 match(es) found.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada
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