Apache is suspended

Apache crashes and is resolved after restart. the problem event name is APPCRASH application name: httpd.exe application version: 2.2.16.0 application timestamp: 4c5340fc fault module name: php5ts. dll fault module version: 5.2.17.17 fault module timestamp: 4d25fb49... apache is suspended. after restart,
Problem event name: APPCRASH
Application Name: httpd.exe
Application Version: 2.2.16.0
Application timestamp: 4c5340fc
Module name: php5ts. dll
Fault module version: 5.2.17.17
Fault module timestamp: 4d25fb49
Exception code: c0000005
Exception offset: 0000ad66
OS version: 6.1.7601.2.1.0.272.7
Region ID: 2052
Other information 1: 0a9e
Other information 2: 0a9e372d3b4ad19135b953a78882e789
Other information 3: 0a9e
Other information 4: 0a9e372d3b4ad19135b953a78882e789
08:37:34

Below is part of the information in the httpd-error.log
The network name specified in [Fri Jul 24 08:30:17 2015] [warn] (OS 64) is no longer available. : Winnt_accept: Asynchronous AcceptEx failed.
The network name specified in [Fri Jul 24 08:30:17 2015] [warn] (OS 64) is no longer available. : Winnt_accept: Asynchronous AcceptEx failed.
[Fri Jul 24 08:30:17 2015] [notice] Parent: child process exited with status 3221225477 -- Restarting.
[Fri Jul 24 08:30:23 2015] [notice] Apache/2.2.16 (Win32) PHP/5.2.17 configured -- resuming normal operations
[Fri Jul 24 08:30:23 2015] [notice] Server built: Jul 30 2010 16:15:37
[Fri Jul 24 08:30:23 2015] [notice] Parent: Created child process 3348
[Fri Jul 24 08:30:24 2015] [notice] Child 3348: Child process is running
[Fri Jul 24 08:30:24 2015] [notice] Child 3348: Acquired the start mutex.
[Fri Jul 24 08:30:24 2015] [notice] Child 3348: Starting 64 worker threads.
[Fri Jul 24 08:30:24 2015] [notice] Child 3348: Starting thread to listen on port 80.
[Fri Jul 24 08:30:50 2015] [error] [client 113.138.77.71] File does not exist:

Reply content:

Apache is suspended. after restart,
Problem event name: APPCRASH
Application Name: httpd.exe
Application Version: 2.2.16.0
Application timestamp: 4c5340fc
Module name: php5ts. dll
Fault module version: 5.2.17.17
Fault module timestamp: 4d25fb49
Exception code: c0000005
Exception offset: 0000ad66
OS version: 6.1.7601.2.1.0.272.7
Region ID: 2052
Other information 1: 0a9e
Other information 2: 0a9e372d3b4ad19135b953a78882e789
Other information 3: 0a9e
Other information 4: 0a9e372d3b4ad19135b953a78882e789
08:37:34

Below is part of the information in the httpd-error.log
The network name specified in [Fri Jul 24 08:30:17 2015] [warn] (OS 64) is no longer available. : Winnt_accept: Asynchronous AcceptEx failed.
The network name specified in [Fri Jul 24 08:30:17 2015] [warn] (OS 64) is no longer available. : Winnt_accept: Asynchronous AcceptEx failed.
[Fri Jul 24 08:30:17 2015] [notice] Parent: child process exited with status 3221225477 -- Restarting.
[Fri Jul 24 08:30:23 2015] [notice] Apache/2.2.16 (Win32) PHP/5.2.17 configured -- resuming normal operations
[Fri Jul 24 08:30:23 2015] [notice] Server built: Jul 30 2010 16:15:37
[Fri Jul 24 08:30:23 2015] [notice] Parent: Created child process 3348
[Fri Jul 24 08:30:24 2015] [notice] Child 3348: Child process is running
[Fri Jul 24 08:30:24 2015] [notice] Child 3348: Acquired the start mutex.
[Fri Jul 24 08:30:24 2015] [notice] Child 3348: Starting 64 worker threads.
[Fri Jul 24 08:30:24 2015] [notice] Child 3348: Starting thread to listen on port 80.
[Fri Jul 24 08:30:50 2015] [error] [client 113.138.77.71] File does not exist:

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