Installing Terratec S7 on 64-bit Windows 8.1

I got myself a Terratec S7 because my existing Cynergy S2 card started to show problems, and the situation is not resolved yet, mainly because the S7 does not appear to control the dish as it should in the PC I want it to run.

To figure out where exactly the problem is, I took the S7 and tried to install everything on a separate laptop, not contaminated by previous installations of any TV software 😉

I got the latest drivers for Windows 8.1, and of course DVBViewer, which superseded Terratec Home Cinema, well-known from the S2 installation.

I installed the drivers, but did not immediately notice that the installation had failed. Only when DVBViewer presented an empty list of supported hardware, and after installing the drivers again, I realized the failure (there is no visual clue as to whether installation was successful or not, you actually have to *read* *text* 😉 ).

The output of the Windows Error Report (accessible from the error entry in the Event Log) listed an error code E0000247

Version=1
EventType=PnPDriverImportError
EventTime=131400033808805347
Consent=1
ReportIdentifier=b04db504-3f95-11e7-8257-441ca8536b2a
Response.type=4
Sig[0].Name=Architektur
Sig[0].Value=x64
Sig[1].Name=Win32-Fehler
Sig[1].Value=E0000247
Sig[2].Name=INF-Name
Sig[2].Value=terratec_s7.inf
Sig[3].Name=Treiberpakethash
Sig[3].Value=b47a89cb47c6613e055bc51ffc8935d320b543dd
DynamicSig[1].Name=Betriebsystemversion
DynamicSig[1].Value=6.3.9600.2.0.0.256.48
DynamicSig[2].Name=Gebietsschema-ID
DynamicSig[2].Value=3079
FriendlyEventName=Die Treibersoftware konnte nicht installiert werden.

which hints at a certificate validation error (hint, hint).

The Device Install Log at C:\Windows\Inf\setupapi.dev.log was also rather clear on the issue:

sig: {_VERIFY_FILE_SIGNATURE} 10:56:13.520
sig: Key = terratec_s7.inf
sig: FilePath = g:\terratec s7\terratec_s7_rev.4_driver_1.0.0828.0_xp_vista_7_8\terratec s7 rev.4\bda driver 1.0.0828.0\64bit\terratec_s7.inf
sig: Catalog = g:\terratec s7\terratec_s7_rev.4_driver_1.0.0828.0_xp_vista_7_8\terratec s7 rev.4\bda driver 1.0.0828.0\64bit\terratec_s7.cat
! sig: Verifying file against specific (valid) catalog failed! (0x800b0109)
! sig: Error 0x800b0109: A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.
sig: {_VERIFY_FILE_SIGNATURE exit(0x800b0109)} 10:56:13.567
sig: {_VERIFY_FILE_SIGNATURE} 10:56:13.571
sig: Key = terratec_s7.inf
sig: FilePath = g:\terratec s7\terratec_s7_rev.4_driver_1.0.0828.0_xp_vista_7_8\terratec s7 rev.4\bda driver 1.0.0828.0\64bit\terratec_s7.inf
sig: Catalog = g:\terratec s7\terratec_s7_rev.4_driver_1.0.0828.0_xp_vista_7_8\terratec s7 rev.4\bda driver 1.0.0828.0\64bit\terratec_s7.cat
! sig: Verifying file against specific Authenticode(tm) catalog failed! (0x800b0101)
! sig: Error 0x800b0101: A required certificate is not within its validity period when verifying against the current system clock or the timestamp in the signed file.
sig: {_VERIFY_FILE_SIGNATURE exit(0x800b0101)} 10:56:13.598

Since 64-bit Windows requires device drivers to be signed, this seemed to be a show stopper. However, you can disable signature verification by typing (in admin mode)

bcdedit /set testsigning on

which fortunately worked on my laptop.

After reboot, I was able to install the drivers, and Windows even is so nice as to warn you if you install unsigned drivers

terratec signed driver

(There is probably an alternative method by extracting certificates from the installer’s .cat files, but I didn’t have to try, so I can’t tell.)

Starting up DVBViewer again, it immediately recognized the S7, and a range scan found several hundred channels fine. I switched to a couple of channels that I also had on my TV, but there was no picture.

Forum talk mentions this issue, along with LAV filters, which I had come across earlier clicking through the files of the Home Cinema download page. So I downloaded TERRATEC_Home_Cinema_Codec_Patch.exe from there, installed it, and finally got a TV on my laptop.

 

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