Questions tagged [process-explorer]

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Sysinternals Process Explorer: don't close when pressing the escape key

I often accidentally close Process Explorer when I only want to close one of its dialogs, because I press the ESC key once too often. Quite annoying. Is there any way to configure Process Explorer to ...
Helge Klein's user avatar
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0 votes
1 answer
485 views

Is CPU usage measured by Process Explorer and Task manager a running average?

My application generates a short peek of high CPU usage. When the CPU intensive task is done, I see a dropping CPU usage in Task Manager and Process Explorer for a few seconds (it forms a triangle). ...
Coder14's user avatar
  • 103
3 votes
1 answer
743 views

Hyper-V VM CPU usage monitoring

I'm migrating a number of VM's from one host to another (Win 2012R2 to Win 2016) and am noticing much higher CPU usage on the new host (quite a lot higher). I was seeing this on Task Explorer so ...
omega1's user avatar
  • 446
1 vote
1 answer
3k views

Windows Server 2012 R2 kernel threads increase until the system hang

I have a small problem with my Windows Server 2012 R2. At the moment the problem is that the threads from "NT Kernel & System" increase every second until they reach 16k, and then the server ...
René Höhle's user avatar
  • 1,448
1 vote
1 answer
8k views

System and ntoskrnl.exe taking up all CPU

I have a Windows Server 2012 file server that is hosting .vhdx hard drives for user profiles for Windows Server 2012 RDS. Every few seconds the CPU spikes to 100% on System. Running Process Explorer ...
John Wesley Gordon's user avatar
3 votes
0 answers
1k views

What is 'Process I/O' in Process Explorer

I'm debugging a performance issue on an RDS server, and trying to understand the output of the System Information graphs in Process Explorer: The I/O graph is showing about 40Mb/s total and the ...
user avatar
0 votes
1 answer
2k views

How to Determine What Files are being Used by Program

I am running a application on my server. The users connect to this application using a BDE SQL connector. The application uses a "runtime" to run on client PC's. The "runtime" files are located in ...
KababChi's user avatar
  • 119
2 votes
2 answers
5k views

Windows 2012 Task Manager vs Process Explorer, different CPU usage, why?

We have a server with 4 Intel Xeon E5-4617 (6-core) CPUs. We are using it as a database server. Windows 2012 task manager shows no cpu usage in 2 processors. Process Explorer shows CPU usage in all ...
user208090's user avatar
0 votes
0 answers
205 views

PHP / IIS High CPU + Recursive Process

I just uploaded and ran a PHP file that would output the user that PHP is running as, however, the process started to eat up all of the CPU. I had a look in Process Explorer and it appeared that PHP ...
SteveEdson's user avatar
  • 1,539
1 vote
0 answers
264 views

Why does Process Explorer cause highly targeted failure of some applications / basic UI functions in a high-power EC2 Windows instance?

Update: I have determined that Process Explorer itself - the program I am using to debug a performance issue - seems to be the cause of the issue. See note, with updated question, at end. I am ...
Dan Nissenbaum's user avatar
6 votes
1 answer
6k views

How can the Private Bytes of a process be significantly less than its effect on the system commit charge?

On a 64-bit Windows Server 2003, I can see using taskmgr or process explorer that the total commit charge is around 3.5GB, yet when I sum the Private Bytes consumed by each process (by running pslist -...
bacar's user avatar
  • 161
8 votes
4 answers
24k views

How do I determine what taskhost.exe is doing?

Once or twice a week taskhost.exe slows my computer to a halt! It takes up 25% of my CPU power (ie. 1 processor). I can't kill it an have no idea what it is doing. I imagine that its some kind of ...
user145395's user avatar
1 vote
1 answer
3k views

explorer.exe eating all CPU, how to to detect culprit?

Windows 7 64bit. I am using ProcessExplorer from Sysinternals, and it says, that the offending call is ntdll.dll!RtlValidateHeap+0x170 however, the call stack towards the entry is always different, ...
JohnDoe's user avatar
  • 111
2 votes
1 answer
836 views

Determine which device(s) cause(s) high CPU via interupts in Process Explorer

I have a Windows 2003 server that occasionally hangs. When it hangs, I can still use it through the console, but externally, it is completely unresponsive. It won't even respond to pings. However, ...
mhildreth's user avatar
0 votes
1 answer
212 views

Fox Pro Database File Locked by Shadow Copy?

I'm using Process Explorer to determine what process has a lock on a particular Fox Pro Database file in windows. It's telling me that System has a lock on it. When I go to kill the "System" ...
leeand00's user avatar
  • 4,919
0 votes
2 answers
74 views

Listing TCP/UDP process from an organically grown application

I've been asked to compile a list of TCP/UDP and ports they use for the collection of application that comprise our product for a client who wants the information for their firewall. So I fired up ...
graham.reeds's user avatar
0 votes
1 answer
139 views

Closing Registry files with Process Explorer

I have a user account which needs to be renamed on a production server running Server 2003. The ntuser.dat and ntuser.dat.log files on a service account (not logged in at the moment) still have ...
Tim Brigham's user avatar
  • 15.6k
1 vote
1 answer
620 views

Processes show overflowing Virtual Size

I have two virtual machines where all the processes exhibit the following behaviour: https://i.stack.imgur.com/oMaAZ.png The screenshot is from Process Explorer and for each process the numbers are ...
anonymous's user avatar
1 vote
1 answer
378 views

Windows Detailed Process Information

If I execute the following command via the command line:- wmplayer.exe /play "c:\VIDEO_TS\VIDEO_TS.VOB" Is there any way to get info for the running process from the system that also includes the ...
stejav's user avatar
  • 11
0 votes
2 answers
4k views

Auto start a program (and run under other account) on user logon

I really like Mark Russinovich's Process Explorer so I'm always running it. I would like to automate this task of manually starting this process up every time I logon. But I want this program to run ...
Robert Koritnik's user avatar
2 votes
3 answers
55k views

How to launch Process Explorer

I installed a Sysinternals' utility called Process Explorer. I am not able to see the utility. Where do I need to go to run Process Explorer?
Syed Tayyab Ali's user avatar
0 votes
2 answers
160 views

No desktop after power outage

My company supports two servers overseas and there was a power outage over the weekend. The outage lasted for about 20 minutes so the UPS's couldn't hold the charge. When one of the servers came back ...
user avatar
4 votes
2 answers
6k views

Comparison between htop and top

Here is a screenshot of top and htop running at the same moment on same host (both sorted by cpu usage). Why does top show only few of php-cgi and mysqld processes while htop shows them all (according ...
user14241's user avatar
1 vote
3 answers
2k views

On Windows Server 2008, how to troubleshoot IIS hang when CPU, Disk IO are normal?

Can someone recommend a good strategy for troubleshooting IIS that is hanging on Windows 2008? Normally, I check the following in Process Explorer: CPU Disk I/O Context Switch Delta However, in ...
frankadelic's user avatar
3 votes
3 answers
8k views

Logging Hardware Interrupts (IRQs) which are using 10-25% CPU

I have a server using 10-25% of the CPU time on Hardware Interrupts according to Process Explorer. How would I go about logging/diagnosing the cause of all these IRQ calls? The machine is virtual, ...
Garrett's user avatar
  • 1,658
4 votes
8 answers
1k views

Should you replace your task manager with process explorer? [closed]

We all know & love process explorer. The question is should it be used as the main task manager and replace Windows task manager (launched on CTRL-SHIFT-ESCAPE).
ripper234's user avatar
  • 6,020
23 votes
2 answers
93k views

What is a Process Handle?

What is a process handle and what can we know about a running process through the "handle count" property in a task explorer?
BlueGene's user avatar
  • 2,241
1 vote
3 answers
222 views

taskmanager alternatives

Other than Process Explorer and Process Hacker, what good task manager replacements exist?
Justin Dearing's user avatar
20 votes
6 answers
10k views

Finegrained performance reporting on svchost.exe

This is something that's always bothered me, so I'll ask the Server Fault community. I love Process Explorer for keeping track of more than just the high-level tasks you get in the Task Manager. But ...
Randolpho's user avatar
  • 603