I want to Add the project QCN in BOINC manager but I can not manage so. I have used three different computers with different operating systems. The problem is with the BOINC which does not allow the connection with the Calltech. The BOINC program starts normally but when I choose to Add the http://qcn.caltech.edu/sensor after several seconds it is shutting down and disappears from the screen.

I made exceptions in the firewall of the windows and in the avast, but I have the same problem in all three pcs.

Is there anyone that could help me. Three schools are waiting to connect with the project.

Can you please test with BOINC 7.6.20 if it works in that one? You can use the versions without VirtualBox.

By the way, is the problem only with QCN?
If so, it's possible that QCN stopped adding new users, but you'd have to ask that on their forums.

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This is the version that I' m using.

Unfortunately the problem is general, I mean with all the projects.

Could you please uninstall and try with the recommended version 7.6.9 available from https://boinc.berkeley.edu/download.php? And then report back?

And for clarification, you're saying that BOINC Manager shuts down when you try to add any project, yes?

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Yes, that's exactly what happens.
It disapears from the screen and for 2-3 seconds I can see down and right on the screen minimized the BOINC logo with a red spot on it.

...right on the screen minimized the BOINC logo with a red spot on it.

That means that BOINC Manager cannot connect to the client, either because the client (boinc.exe) isn't running or because of either being blocked in the firewall, not that BOINC Manager shut down. If BOINC Manager shuts down, there is no icon in the right lower corner.

But as I said, please try with 7.6.9 first to see if that one does work.

Oh, which Windows versions does this happen on?

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I' ve done it. Still the same problem. It runs, trying to connect and then disappears from the screen and for 2 seconds I see the Boinc with the red spot down and right. But after 2 minutes it disappears also.

I have just tested to add CAS@Home on my system running BOINC 7.6.20 on Windows 7 64 bit.

11/12/2015 16:59:55 |  | Fetching configuration file from http://casathome.ihep.ac.cn/get_project_config.php
11/12/2015 17:02:30 | CAS@home | sched RPC pending: Project initialization
11/12/2015 17:02:30 | CAS@home | [sched_op] Starting scheduler request
11/12/2015 17:02:30 | CAS@home | [sched_op] Fetching master file
11/12/2015 17:02:33 | CAS@home | [sched_op] Got master file; parsing
11/12/2015 17:02:33 | CAS@home | [sched_op] Found 2 scheduler URLs in master file
11/12/2015 17:02:33 | CAS@home | Master file download succeeded
11/12/2015 17:02:38 | CAS@home | sched RPC pending: Project initialization
11/12/2015 17:02:38 | CAS@home | [sched_op] Starting scheduler request
11/12/2015 17:02:38 | CAS@home | Sending scheduler request: Project initialization.
11/12/2015 17:02:38 | CAS@home | Requesting new tasks for CPU and AMD/ATI GPU
11/12/2015 17:02:38 | CAS@home | [sched_op] CPU work request: 1.00 seconds; 0.00 devices
11/12/2015 17:02:38 | CAS@home | [sched_op] AMD/ATI GPU work request: 1.00 seconds; 0.00 devices

No problem for me.

You're saying this is a school computer?
If so, does this school have its own firewall that may be blocking communications (boinc.exe requires access to TCP port 80 and 443; boinc.exe and boincmgr.exe need TCP port 31416 to communicate between themselves).

Edit: you didn't suspend network activity in BOINC Manager?

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Also, request from the developers: Can you turn on <http_debug> in (Advanced view->)Options->Event Log options->check http_debug->Ok.

Then try to add a project.

The output is written to stdoutdae.txt in the BOINC data directory. You can open that with Notepad, scroll to the last entries in the list and gather information there. The lines around the communication would be nice. Also, is there anything about this in stderrdae.txt?

The data directory is a hidden directory. By default it's in C:\programdata\boinc\, you can navigate there by just filling in that path in Windows Explorer and pressing Enter.

Lastly, go to Start->in search type %APPDATA%/BOINC and hit Enter. A Windows Explorer window opens. Please check if there is anything about BOINC Manager crashing in stderrgui.txt, and if so,p post that here. (Do check the date and time on the dump's time stamp, if there are more than one.)

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Thank you very much.

I' m not so advance on computer and I have to take slow your advise. I' ll try to do what you suggest.

I check "http_debug" but still problem.

I install boinc on my laptop and I have the same problem. It the 4th pc!

I thing that the problem is at the
Options -> Other Options -> HTTP Proxy
The cells are empty, no numbers in them.

11-Dec-2015 19:15:50 [---] Resuming computation
11-Dec-2015 19:15:50 [---] Resuming network activity
11-Dec-2015 19:15:51 [---] Suspending computation - computer is in use
11-Dec-2015 19:15:51 [---] Suspending network activity - computer is in use
11-Dec-2015 19:16:06 [---] Resuming computation
11-Dec-2015 19:16:06 [---] Resuming network activity
11-Dec-2015 19:16:07 [---] Suspending computation - computer is in use
11-Dec-2015 19:16:07 [---] Suspending network activity - computer is in use

This is what I found in the stdoutdae.txt

26-May-2015 17:36:00 Another instance of BOINC is running.
GLE: Cannot create a file when that file already exists.

(0xb7)
27-May-2015 06:11:07 Another instance of BOINC is running.
GLE: Cannot create a file when that file already exists.

(0xb7)
28-May-2015 08:27:03 Another instance of BOINC is running.
GLE: Cannot create a file when that file already exists.

(0xb7)
03-Jun-2015 15:53:31 Another instance of BOINC is running.
GLE: Cannot create a file when that file already exists.

(0xb7)

This is what I found in the stderrdae.txt

I asked for output of stderrgui.txt, which isn't in the data directory but in the %APPDATA%/BOINC directory instead. :)

This file shows problems and crashes with BOINC Manager.

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ERROR: Invalid parameter detected in function (null). File: (null) Line: 0
ERROR: Expression: (null)
ASSERT: Report generated in "C:\Users\zagouras\AppData\Local\Temp\BOINC Manager_dbgrpt-2240-20151211T161449.zip".
ERROR: Invalid parameter detected in function (null). File: (null) Line: 0
ERROR: Expression: (null)
ASSERT: Report generated in "C:\Users\zagouras\AppData\Local\Temp\BOINC Manager_dbgrpt-3976-20151211T163817.zip".
ERROR: Invalid parameter detected in function (null). File: (null) Line: 0
ERROR: Expression: (null)
ASSERT: Report generated in "C:\Users\zagouras\AppData\Local\Temp\BOINC Manager_dbgrpt-4648-20151211T165257.zip".
ERROR: Invalid parameter detected in function (null). File: (null) Line: 0
ERROR: Expression: (null)
ASSERT: Report generated in "C:\Users\zagouras\AppData\Local\Temp\BOINC Manager_dbgrpt-8032-20151211T165914.zip".
ERROR: Invalid parameter detected in function (null). File: (null) Line: 0
ERROR: Expression: (null)
ASSERT: Report generated in "C:\Users\zagouras\AppData\Local\Temp\BOINC Manager_dbgrpt-7792-20151211T170411.zip".
ERROR: Invalid parameter detected in function (null). File: (null) Line: 0

I found this and more in the stderrgui.txt

I thing that the problem is at the
Options -> Other Options -> HTTP Proxy
The cells are empty, no numbers in them.

Which is normal if you do not use a proxy. But that's why I asked earlier, if these are school computers, because if they are, it is very possible that there is a firewall blocking access to the internet.

But a <http_debug> output will show that.
Are you saying that even trying to set <http_debug> will crash BOINC Manager?

Are you using one BOINC installer between all these systems, or did you download one each for each computer? If you're using just one installer between them, can you please try to download the installer again? Just to exclude the possibility of a damaged installer.

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Also in stderrgui.txt

Exiting...
ERROR: Invalid parameter detected in function (null). File: (null) Line: 0
ERROR: Expression: (null)
ASSERT: Report generated in "C:\Users\zagouras\AppData\Local\Temp\BOINC Manager_dbgrpt-8376-20151211T181459.zip".
ERROR: Invalid parameter detected in function (null). File: (null) Line: 0
ERROR: Expression: (null)
ASSERT: Report generated in "C:\Users\zagouras\AppData\Local\Temp\BOINC Manager_dbgrpt-7632-20151211T183806.zip".
ERROR: Invalid parameter detected in function (null). File: (null) Line: 0
ERROR: Expression: (null)
ASSERT: Report generated in "C:\Users\zagouras\AppData\Local\Temp\BOINC Manager_dbgrpt-3940-20151211T190659.zip".
ERROR: Invalid parameter detected in function (null). File: (null) Line: 0
ERROR: Expression: (null)
ASSERT: Report generated in "C:\Users\zagouras\AppData\Local\Temp\BOINC Manager_dbgrpt-8200-20151211T191019.zip".

I'll give you my email address in a private message. Could you be so kind to email that stderrgui.txt file to me, please?

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I download the BOINC in each pc from http://qcn.caltech.edu/join-qcn/download

Now I'm working in my laptop which of course has no proxy. the files that I send you are from my pc. Is it possible to have something from previous installations, because I worked with QCN in May and in July.

But what about the pc in the school which is brand new? And at the second one I had formatted so there must be no problem.