WampServer

Thanks for pointing me in the right direction. I just submitted a bug report for this on php.net Link can be found here:
Forum: WampServer English

Correct, it's not related to WAMPServer. It's a known bug which is still not resolved, not even in the latest releases of PHP (5.5.* or 5.6.*). If you have a column in a table that is defined as nvarchar(max), apache will crash with the above noted error when you are using the "SQL Server Native Client xx.x" odbc drivers. A workaround is to use the default "SQL Server" odb
Forum: WampServer English

I'm using the latest 64-bit version of Wampserver and I noticed that the Apache process sometimes crashes when using the odbc connection. This is what's been logged in the event viewer: Faulting application name: httpd.exe, version: 2.4.9.0, time stamp: 0x53258cd5 Faulting module name: MSVCR110.dll, version: 11.0.51106.1, time stamp: 0x5098826e Exception code: 0xc0000005 Fault offset: 0x
Forum: WampServer English