Vista - TV Tuner failing after SP1 install on Vista Ultimate

I am having problems with Windows Media Center not playing live video after
installation of Vista SP1.

The tuner card and video were working great right up until the install of
the Service Pack, and started failing immediately after the installation.
All functions of the WMC seem to work OK, with the exception of anything
dealing with the tuner card.

Configuration is as follows:

Tuner: ViXS Systems Inc. - ViXS Pure TV-U 4899 (NTSC/ATSC Combo)
OS: Vista Ultimate Edition
Machine: Gateway GM5420

Errors: When Attempting to start Live TV, separate message box pops
up stating:
"Windows Media Center Receiver Service has stopped
working"
Details show:
APPCRASH in ehRecvr.exe (version 6.0.6001.18000)
Fault Module Name StachHash_8a90
Exception Code: c0000374
OS Version: 6.0.6001.2.1.0.256.1


In the Media Center pane, I eventually get the message:
Tuner Not Installed - Video cannot be displayed because
no tuner hardware has been detected.
Please check that your tuner hardware is properly
installed.

I checked device manager in computer management and there were no flagged
items and it says the tuner is working properly.

I tried doing a System restore to back off the SP1, but the problem
remained. I upgraded the drivers with the latest available from the Gateway
support site, but the problem remains.

I tried pulling the card out and deleting the hardware from the
configuration (deleting the drivers while doing so), and re-installing the
card with the new drivers, but the problem remains.

Gateway's stance is they will never support a machine other than with the
original configuration (and anti-virus programs should eliminate the need
for any service pack upgrades to prevent viruses). I'll say here an now
that this is the last Gateway machine I will ever buy, due to their poor,
pig-headed, script-kiddy tech support.

Does anyone have any other suggestions to try before I go in and wipe the
machine and try re-installing everything from scratch?

Can you play a DVD in MC?
Have you looked for a newer driver from VIXS?

http://www.vixs.com/index.htm


"Ken" <kenlevy@xxxxxx> wrote in message
news:OpqrD4SFJHA.5448@xxxxxx

"Gateway's stance is they will never support a machine other than with the
original configuration (and anti-virus programs should eliminate the need
for any service pack upgrades to prevent viruses). I'll say here an now
that this is the last Gateway machine I will ever buy, due to their poor,
pig-headed, script-kiddy tech support."

Have you asked Microsoft about the problem? They "supposedly" will provide
support for SP-1 install issues.
Gateways answer is interesting, to say the least.


"Ken" <kenlevy@xxxxxx> wrote in message
news:OpqrD4SFJHA.5448@xxxxxx

hi, i have the same exact problem, just that my pc is a sony vaio and
the tuner card is a GigaPocket... but same problem started after i
installed sp1, did u find a solution for the problem?


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SP1 may have installed an out of date driver for your tuner, get the latest
diver from the manufacturer.
"rtellas" <rtellas.3gvzfc@xxxxxx> wrote in message
news:rtellas.3gvzfc@xxxxxx

I downloaded and installed the latest driver from sony support but no
change, same problem... "tuner not installed", is there any 3rd party
software compatible for GigaPocket tuners besides WMC?


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Can you play a DVD using MC?
Have you installed any 3rd party DVD players such as Nero?
"rtellas" <rtellas.3gxu3e@xxxxxx> wrote in message
news:rtellas.3gxu3e@xxxxxx

yep my dvd's work fine in MC, and the only 3rd party player that i got
is Media Player Classic, but ive had that one before when my MC was
working


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I have had the same problem with an HP Pavilion. PC Doctor shows that
my ViXS tuner is working and I used GB PVR for awhile and the tuner
works well. The problem is NOT the tuner card; the problem is with
Windows Media Center (I've heard it is a .NET version problem, but I
don't know the details.). The worst part of all of this is that there
doesn't seem to be a way to re-install (or remove!) Windows Media Center
separately from Vista.


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Hotfix. I started having this tuner detection error and microsoft sent
me this hot fix which worked instantly.

http://hotfixv4.microsoft.com/Window...l_i386_zip.exe)


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