Calibre won't start after installation - FAQ didn't help

Brids · 07-12-2011, 03:35 AM

Hi everyone,
I am new to this forum, but already tried to find a solution for my problem, which didn't work out obviously.
I have tried to install calibre in my PC, but can't start it. I've already tried the hints from the FAQ (re-install etc.) but that didn't help.
I've also made a screenshot from the debug command-line and hope that someone can help me solving my problem.
By the way: I am running windows 7 home premium 64 bit, Intel i5 650 processor with 4GB of RAM

itimpi · 07-12-2011, 04:41 AM

That message is because (for some reason) the NUL device is not correctly installed and running on your Windows 7 system. I remember once having this problem on my own system, and was able to find an answer via Google on how to fix this, although I cannot remember off-hand what that answer actually was..

theducks · 07-12-2011, 12:22 PM

Just to add:
NUL: (or /dev/nul in Linux) is a valid place to divert message output so as to not bother the user with screens of background process messsages.

Ever hear: "send it to the Bit Bucket"?

follow itimpi's lead.

Brids · 07-12-2011, 02:25 PM

that was it! Now, my Calibre is working brilliantly. Just need to wait for my new reader to arrive!

PeterT · 07-12-2011, 03:40 PM

Quote:

Originally Posted by Brids

that was it! Now, my Calibre is working brilliantly. Just need to wait for my new reader to arrive!

For reference, how did you fix the NUL problem?

Brids · 07-12-2011, 03:49 PM

sorry, forgot to add this...

so, I went to the device manager in my control panel, changed the view to show the hidden devices

then found the NULL driver -->options and activated it

in my case, I had to do it via the registry as the simple way didn't work out: this is done by opening the following folder in the registry
HKEY_LOCAL_MACHINE->SYSTEM->CurrentControlSet->Services->Null

the values of "Start" and "Type" should be "1" (Hex); click OK and restart, done!

Hope that helps if the same problem comes up with someone else...

07-12-2011, 03:35 AM	#1
Brids Junior Member Posts: 3 Karma: 100 Join Date: Jul 2011 Device: none	Calibre won't start after installation - FAQ didn't help Hi everyone, I am new to this forum, but already tried to find a solution for my problem, which didn't work out obviously. I have tried to install calibre in my PC, but can't start it. I've already tried the hints from the FAQ (re-install etc.) but that didn't help. I've also made a screenshot from the debug command-line and hope that someone can help me solving my problem. By the way: I am running windows 7 home premium 64 bit, Intel i5 650 processor with 4GB of RAM Attached Thumbnails

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07-12-2011, 04:41 AM	#2
itimpi Wizard Posts: 4,553 Karma: 950151 Join Date: Nov 2008 Device: Sony PRS-950, iphone/ipad (Marvin/iBooks/QuickReader)	That message is because (for some reason) the NUL device is not correctly installed and running on your Windows 7 system. I remember once having this problem on my own system, and was able to find an answer via Google on how to fix this, although I cannot remember off-hand what that answer actually was..

07-12-2011, 12:22 PM	#3
theducks Well trained by Cats Posts: 31,012 Karma: 60358908 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	Just to add: NUL: (or /dev/nul in Linux) is a valid place to divert message output so as to not bother the user with screens of background process messsages. Ever hear: "send it to the Bit Bucket"? follow itimpi's lead.

07-12-2011, 02:25 PM	#4
Brids Junior Member Posts: 3 Karma: 100 Join Date: Jul 2011 Device: none	that was it! Now, my Calibre is working brilliantly. Just need to wait for my new reader to arrive!

07-12-2011, 03:49 PM	#6
Brids Junior Member Posts: 3 Karma: 100 Join Date: Jul 2011 Device: none	sorry, forgot to add this... so, I went to the device manager in my control panel, changed the view to show the hidden devices then found the NULL driver -->options and activated it in my case, I had to do it via the registry as the simple way didn't work out: this is done by opening the following folder in the registry HKEY_LOCAL_MACHINE->SYSTEM->CurrentControlSet->Services->Null the values of "Start" and "Type" should be "1" (Hex); click OK and restart, done! Hope that helps if the same problem comes up with someone else...

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