Process ntoskrnl.exe CPU usage jumps from 1% to over 40% precisely when using I/O

the problem occurs with the following system. Device: Lenovo Ideapad 730S – Windows version: 10.0.18362 Build 18362 So ntoskrnl.exe is running just fine as long as all the USB-C ports are left free. The exact moment I plug in my charger into one of the ports (doesn’t matter which one I choose), ntoskrnl.exe starts using … Read more

BSOD – Unable to verify timestamp for ntoskrnl.exe

Recently, my Dell desktop has been randomly crashing when left running for an extended period of time. The following information was written to the dump file: Unable to load image \SystemRoot\system32\ntoskrnl.exe, Win32 error 0n2 WARNING: Unable to verify timestamp for ntoskrnl.exe ERROR: Module load completed but symbols could not be loaded for ntoskrnl.exe Windows Server … Read more

Could someone help solve my Windows 10 DRIVER_POWER_STATE_FAILURE BSOD’s on wake

Windows 10 64-bit, upgraded in-place from Windows 7. Intel Core i5-4690K (not overclocked), 16Gb RAM, and an Nvidia GeForce GTX 660 Ti (latest driver) on a Gigabyte Z97MX-Gaming 5 motherboard. Nearly every time I wake the computer from sleep, I get a DRIVER_POWER_STATE_FAILURE BSOD after a minute of blank screens. The problem is being caused … Read more

How to find a reason of often system hangs and BSODs?

What can be a reason of often system hangs and BSODs in the following circumstances? 1) BSODs are often not dispayed and no dump saved, computer just hangs. 2) When it is saved, it reports NTOSKRNL with random bugcheck code. 3) Long memory test for many hours (with standard memory diagnostic tools) showed everything is … Read more

Windows 10 memory leak after update [Wfpn / ntoskrnl.exe] [duplicate]

This question already has answers here: Windows 10 high memory usage (unknown reason) (4 answers) Closed 4 years ago. Notice: I have already read this answer and followed the steps in it, but I can’t figure out what is causing the leak. What I’m looking for here is help in singling out the problem. As … Read more

MSE prompts for ntoskrnl.exe warning every time I start my PC

I’m having this warning recently which is as follows: I have Microsoft Security Essentials installed, and my virus definitions are up-to-date. I have executed a full scan on my PC, and there were no viruses or spyware/malwares. Whether I select Send or Cancel it does not matter. Each time I start my PC this warning … Read more

Random BSOD, even when the computer idles

I get a random BSOD, even when the computer idles. Already tried: memtest – ok scandisk – ok netsh int ip reset Winsock fix. tcpip.sys+2c13e 21.06.2011 15:21:00 DRIVER_IRQL_NOT_LESS_OR_EQUAL tcpip.sys+2de08 22.06.2011 15:09:28 DRIVER_IRQL_NOT_LESS_OR_EQUAL tcpip.sys+2de08 22.06.2011 16:09:31 DRIVER_IRQL_NOT_LESS_OR_EQUAL tcpip.sys+2c13e 23.06.2011 9:48:16 DRIVER_IRQL_NOT_LESS_OR_EQUAL Fastfat.SYS+4dc 21.06.2011 11:55:10 SYSTEM_THREAD_EXCEPTION_NOT_HANDLED ipnat.sys ipnat.sys+6751 ntoskrnl.exe ntoskrnl.exe+699e0 tcpip.sys tcpip.sys+2c13e 0 HTTP.sys HTTP.sys+15d00 ipnat.sys ipnat.sys+6751 … Read more

NtOsKrnl.exe uses 100% of my disk

I read a previous question and the answer. I have the same problem. At random times, and often when coming out of a sleep, my Win 8.1 Pro system is effectively “frozen” as NtOsKrnl.exe is using 100% of the disk. When it stops doing so, everything runs again. This is very frustrating as it can … Read more