Crash dump directory: C:\Windows\Minidump
Crash dumps are enabled on your computer.
On Thu 19/05/2016 12:02:23 GMT your computer crashed
crash dump file: C:\Windows\Minidump\051916-17019-01.dmp
This was probably caused by the following module: win32k.sys (0xFFFFF96000124B53)
Bugcheck code: 0x50 (0xFFFFD900C1FBECDC, 0x0, 0xFFFFF96000124B53, 0x7)
Error: PAGE_FAULT_IN_NONPAGED_AREA
file path: C:\Windows\system32\win32k.sys
product: Sistema operativo Microsoft® Windows®
company: Microsoft Corporation
description: Driver Win32 multiutente
Bug check description: This indicates that invalid system memory has been referenced.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.
On Thu 19/05/2016 12:02:23 GMT your computer crashed
crash dump file: C:\Windows\memory.dmp
This was probably caused by the following module: win32k.sys (win32k!EngFntCacheLookUp+0x6C17)
Bugcheck code: 0x50 (0xFFFFD900C1FBECDC, 0x0, 0xFFFFF96000124B53, 0x7)
Error: PAGE_FAULT_IN_NONPAGED_AREA
file path: C:\Windows\system32\win32k.sys
product: Sistema operativo Microsoft® Windows®
company: Microsoft Corporation
description: Driver Win32 multiutente
Bug check description: This indicates that invalid system memory has been referenced.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.
On Thu 19/05/2016 10:50:28 GMT your computer crashed
crash dump file: C:\Windows\Minidump\051916-17518-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x6F400)
Bugcheck code: 0x50 (0xFFFFD9600011D3A4, 0x8, 0xFFFFD9600011D3A4, 0x7)
Error: PAGE_FAULT_IN_NONPAGED_AREA
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that invalid system memory has been referenced.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
On Sat 30/01/2016 12:17:53 GMT your computer crashed
crash dump file: C:\Windows\Minidump\013016-17113-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x73C00)
Bugcheck code: 0x18 (0xFFFFFA800671E270, 0xFFFFFA800BF141D0, 0x1, 0x1)
Error: REFERENCE_BY_POINTER
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that the reference count of an object is illegal for the current state of the object.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem. This might be a case of memory corruption. More often memory corruption happens because of software errors in buggy drivers, not because of faulty RAM modules.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
Conclusion
4 crash dumps have been found and analyzed. No offending third party drivers have been found. Connsider using WhoCrashed Professional which offers more detailed analysis using symbol resolution. Also configuring your system to produce a full memory dump may help you.
Read the topic general suggestions for troubleshooting system crashes for more information.
Note that it's not always possible to state with certainty whether a reported driver is responsible for crashing your system or that the root cause is in another module. Nonetheless it's suggested you look for updates for the products that these drivers belong to and regularly visit Windows update or enable automatic updates for Windows. In case a piece of malfunctioning hardware is causing trouble, a search with Google on the bug check errors together with the model name and brand of your computer may help you investigate this further.
