Hi, On Thu, 2018-11-08 at 14:21 +0100, Jan Vávra wrote: > Hello, > at Windows 2016 I have a problem with http 500. The IIS trace log > files says: php-cgi.exe - The FastCGI process exited unexpectedly. > In the event log there are repeated many couples of events: > > <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> > ; > <System> > <Provider Name="Zend OPcache" /> > <EventID Qualifiers="0">2</EventID> > <Level>2</Level> > <Task>0</Task> > <Keywords>0x80000000000000</Keywords> > <TimeCreated SystemTime="2018-11-07T15:44:37.343553900Z" /> > <EventRecordID>667551</EventRecordID> > <Channel>Application</Channel> > <Computer>COMP1</Computer> > <Security /> > </System> > <EventData> > <Data>Unable to open base address file</Data> > <Data>The system cannot find the file specified.</Data> > </EventData> > </Event> > > and > > <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> > ; > <System> > <Provider Name="Zend OPcache" /> > <EventID Qualifiers="0">2</EventID> > <Level>2</Level> > <Task>0</Task> > <Keywords>0x80000000000000</Keywords> > <TimeCreated SystemTime="2018-11-07T15:44:37.343553900Z" /> > <EventRecordID>667550</EventRecordID> > <Channel>Application</Channel> > <Computer>COMP1</Computer> > <Security /> > </System> > <EventData> > <Data>C:\Windows\TEMP\ZendOPcache.MemoryBase@xappuser@dfb1f24e1dd > 21d34e9485ad7bfa87baf</Data> > <Data>The system cannot find the file specified.</Data> > </EventData> > </Event> > > The file C:\Windows\TEMP\ZendOPcache.MemoryBase@xappuser@dfb1f24e1dd2 > 1d34e9485ad7bfa87baf exists and contains: 0000100000000000. > Version of php is 7.1.15 x64 nts. > The identity of application pool is an Active Directory authenticated > user. > And the problem begins after hours of running. > > Should I configure something in the php.ini ? > The description sounds very much like this issue https://bugs.php.net/bug.php?id=76832 . Please check some recent PHP version. Thanks Anatol