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qt4 debug: Initialization of Capture device panel
qt4 warning: Input option: dvb-bandwidth=8
main debug: adding item `dvb-t://frequency=842000000' ( dvb-t://frequency=842000000 )
qt4 debug: Adding a new MRL to recent ones: dvb-t://frequency=842000000
main debug: rebuilding array of current - root Playlist
main debug: rebuild done - 1 items, index -1
main debug: processing request item dvb-t://frequency=842000000 node null skip 0
main debug: resyncing on dvb-t://frequency=842000000
main debug: dvb-t://frequency=842000000 is at 0
main debug: starting new item
main debug: creating new input thread
main debug: Creating an input for 'dvb-t://frequency=842000000'
main debug: thread (input) created at priority 1 (../.././src/input/input.c:230)
qt4 debug: IM: Setting an input
main debug: thread started
main debug: using timeshift granularity of 50 MBytes
main debug: using timeshift path 'C:\Users\Nelson\AppData\Local\Temp'
main debug: `dvb-t://frequency=842000000' gives access `dvb-t' demux `' path `frequency=842000000'
main debug: creating demux: access='dvb-t' demux='' path='frequency=842000000'
main debug: looking for access_demux module: 0 candidates
main debug: no access_demux module matched "dvb-t"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: creating access 'dvb-t' path='frequency=842000000'
main debug: looking for access module: 1 candidate
qt4 debug: Updating the geometry
qt4 debug: Updating the geometry
bda debug: CreateTuneRequest: Using Tuning Space: DVB-T
bda debug: Build: Using Tuning Space ID 9
bda warning: Build: Cannot save Tuning Space: hr=0x80070005
bda warning: SubmitDVBTTuneRequest: Cannot Build the Graph: hr=0x80070005
bda warning: DVB_Open: Unsupported Network dvb-t
main warning: no access module matching "dvb-t" could be loaded
main debug: TIMER module_need() : 136.000 ms - Total 136.000 ms / 1 intvls (Avg 136.000 ms)
main error: open of `dvb-t://frequency=842000000' failed: (null)
main debug: thread ended
main debug: dead input
main debug: thread times: real 0m0.161009s, kernel 0m0.015600s, user 0m0.015600s
main debug: changing item without a request (current 0/1)
main debug: nothing to play
qt4 debug: IM: Deleting the input
qt4 debug: Updating the geometry
qt4 debug: Updating the geometry
main debug: TIMER input launching for 'dvb-t://frequency=842000000' : 201.000 ms - Total 201.000 ms / 1 intvls (Avg 201.000 ms)

qt4 debug: Initialization of Capture device panel
qt4 warning: Input option: dvb-bandwidth=8
main debug: adding item `dvb-t://frequency=842000000' ( dvb-t://frequency=842000000 )
qt4 debug: Adding a new MRL to recent ones: dvb-t://frequency=842000000
main debug: rebuilding array of current - root Playlist
main debug: rebuild done - 1 items, index -1
main debug: processing request item dvb-t://frequency=842000000 node null skip 0
main debug: resyncing on dvb-t://frequency=842000000
main debug: dvb-t://frequency=842000000 is at 0
main debug: starting new item
main debug: creating new input thread
main debug: Creating an input for 'dvb-t://frequency=842000000'
main debug: thread (input) created at priority 1 (../.././src/input/input.c:230)
main debug: thread started
main debug: using timeshift granularity of 50 MBytes
main debug: using timeshift path 'C:\Users\Nelson\AppData\Local\Temp'
main debug: `dvb-t://frequency=842000000' gives access `dvb-t' demux `' path `frequency=842000000'
main debug: creating demux: access='dvb-t' demux='' path='frequency=842000000'
main debug: looking for access_demux module: 0 candidates
main debug: no access_demux module matched "dvb-t"
main debug: TIMER module_need() : 1.000 ms - Total 1.000 ms / 1 intvls (Avg 1.000 ms)
main debug: creating access 'dvb-t' path='frequency=842000000'
main debug: looking for access module: 1 candidate
qt4 debug: IM: Setting an input
qt4 debug: Updating the geometry
qt4 debug: Updating the geometry
bda debug: CreateTuneRequest: Using Tuning Space: DVB-T
bda debug: Build: Using Tuning Space ID 9
bda debug: FindFilter: Connected AVerMedia Hybrid TV BDA Tuner
bda debug: BDAGraph: Using adapter 0
bda debug: FindFilter: Connected AVerMedia Hybrid TV BDA TS Capture
bda debug: Build: Trying connecting with subtype MEDIASUBTYPE_MPEG2_TRANSPORT
bda warning: Build: Cannot connect Sample Grabber to Capture device: hr=0x80004005 (try 1/2)
bda debug: Build: Trying connecting with subtype KSDATAFORMAT_SUBTYPE_BDA_MPEG2_TRANSPORT
bda debug: FindFilter: Connected BDA MPEG2 Transport Information Filter
bda debug: Graph started hr=0x0
main debug: using access module "bda"
main debug: TIMER module_need() : 4394.000 ms - Total 4394.000 ms / 1 intvls (Avg 4394.000 ms)
main debug: Using AStream*Block
main debug: pre buffering
bda warning: BDA SampleCB: Sample Discontinuity.
main debug: received first data after 522 ms
main debug: prebuffering done 60160 bytes in 0s - 112 kbytes/s
main debug: looking for stream_filter module: 2 candidates
main debug: TIMER module_need() : 1.000 ms - Total 1.000 ms / 1 intvls (Avg 1.000 ms)
main debug: looking for stream_filter module: 1 candidate
main debug: using stream_filter module "stream_filter_record"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: creating demux: access='dvb-t' demux='ts' path='frequency=842000000'
main debug: looking for demux module: 1 candidate
main debug: using demux module "ts"
main debug: TIMER module_need() : 1.000 ms - Total 1.000 ms / 1 intvls (Avg 1.000 ms)
main debug: looking for a subtitle file in C:\Users\Nelson\Downloads\vlc-1.0.1-win32\vlc-1.0.1\
ts debug: DEMUX_SET_GROUP 0 0
main debug: `dvb-t://frequency=842000000' successfully opened

It is finding the System Tuning Space (called DVB-T) but is failing when it tries to save the Tuning Space. Suggests that the Registry is being locked but AFAIK nothing has changed between 1.0.1 and 1.0.2 in BDA module - certainly not in that bit of code.

I think it is a access restriction in Windows 7 unless you run VLC with admin rights.

How to fix it / make a workaround in 1.0 branch? This is quite annoying in Vista.