![]() ![]() Easily terminate any process (and all its sup-processes if necessary), boost the priority of any process to make it run faster, and much more. Process Explorer has many other interesting features. Here we can see that the counters.dat file used by iTunes is also being held by Explorer and QuickBooks: Here we see that iTunes (being run as a service with AlwaysUp) is using the “counters.dat” file:Īnd perhaps most useful of all, Process Explorer can help you track down which application is preventing you from deleting a file or folder! Choose Find > Find Handle or DLL… and search for the file by name. You can review all DLLs loaded, or even better, see all the files, registry keys and other objects locked by a process by viewing Handles for the lower pane ( View > Lower Pane View > Handles). You can start, stop, restart or even change the permissions of the Spooler service from the Services tab:īack on Process Explorer’s main screen, summon the Lower Pane ( View > Show Lower Pane) for some serious detective work. For example, here is what is shown for spoolsv.exe, the Windows Print Spooler: Let’s say you’d like to only see the times when the explorer.exe process queried a registry key. In this box, you can also create, modify and removal rules too. All Windows Services run under the wninit.exe > services.exe branch:ĭouble-clicking an entry allows you to dig into a specific process. In the last section, you saw what the Process Monitor Filter box looked like and viewed all of the rules. The interface automatically refreshes itself every few seconds to highlight processes as they come and go. When launched, Process Explorer shows a colorful tree of all the active processes. Think of it as the “Task Manager on steroids”, with the ability to show all processes, threads, handles, and of course, Windows Services running on your PC. compress it and send to the respective support team.If you want to understand what’s really going on with the programs on your computer, then look no further than Microsoft’s excellent (and free) Process Explorer. If you’re not sure what’s shown in the log, save the log to a PML file. However, note that not all ACCESS DENIED entries you see in Process Monitor may necessarily be problematic events. Make a note of the Process name, operation it tried to perform and the file/directory or the registry Path it tried to modify. This is for the purpose of illustration.ġ2. Of course, I knew REG.EXE needs to be run under elevated Command Prompt to create or modify keys in the system areas of the registry. In this example, I tried to create a registry key under the HKEY_CLASSES_ROOT branch using the REG.EXE command-line, and it countered an Access Denied error. After reproducing the problem, you’ll see Process Monitor list the Access Denied entries (if it has occurred any.) The classic Sysinternals tool Process Monitor uses a file system minifilter, registry minifilter and process/thread callbacks to get the information it. ![]() try to do the same operation while Process Monitor is capturing it in the background.ġ1. Suppose you try to create a registry key and encounter an error. Start capturing by enabling the Capture toggle button in the toolbar.ġ0. ![]() ![]() Then, set the filtering options as the one below, to catch specifically "Access Denied" entries.ĩ. This is to clear any filters if you’ve configured earlier.ħ. In the Process Monitor Filter dialog, click the Reset button. Monitor file system, Registry, process, thread and DLL activity in real-time. From the Filter menu, and click Filter (CTRL + L)Ħ. Comparing to the CPU monitor in Task Manager, this one has enhanced features for you to monitor CPU utilization of each core and each thread. Process Explorer provides a CPU performance monitor. So, enable buttons 1 & 2 to start with.ĥ. Process Explorer is included in Windows’ Sysinternals Process Utilities. Most basic troubleshooting procedure require buttons 1 or 2 (or both, if required) turned on. SULFUR TRIOXIDE / POLLUTION CONTROL EQUIPMENT Process for absorbing SO3 ( Patent ). (Everything is captured anyway, but you can choose what’s shown in the output window.)Ĥ. 2 : 44986 SULFUR TRIOXIDE MONITORING Regional air pollution study. The set of 5 buttons you see in the right is for displaying 5 different activities that are captured. Stop capturing by clicking Capture button (CTRL + E) in the toolbar. Process Monitor starts capturing events automatically. Accept the EULA that appears when you run the program for the first time.ģ. Get Process Monitor from Windows SysInternals page.Ģ. (I already have a how-to article on using Process Monitor with example and this article specifically explains how to track/trace "Access Denied" entries by configuring the Filtering Options in Process Monitor.)ġ. ![]()
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