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* [[Resource Monitor|Performance Monitor]] includes several new [[Performance Monitoring Counter|performance counters]] and various tools for tuning and monitoring system performance and resources. It shows the activities of the CPU, disk I/O, network, memory and other resources in the "Resource View". It supports new graph types, the selection of multiple counters, the retrieval of counter values from a point on the graph, the saving of graphed counter values to a log file, and the option to have a line graph continuously scroll in the graph window instead of wrapping-around on itself.
** When run from an elevated command prompt, the <code>perfmon /report</code> command and parameter produce a comprehensive ''System Diagnostics Report'' complete with details such as hard disk throughout and Wi-Fi performance.<ref name="PerfmonReport">{{cite web |url=http://blogs.technet.com/b/askperf/archive/2008/05/02/two-minute-drill-system-diagnostics-report.aspx |title=Two Minute Drill: System Diagnostics Report |last=Morrison |first=Blake |date=May 2, 2008 |publisher=[[Microsoft]] |work=[[Microsoft TechNet]] |archive-url=https://web.archive.org/web/20151105224137/http://blogs.technet.com/b/askperf/archive/2008/05/02/two-minute-drill-system-diagnostics-report.aspx |archive-date=November 15, 2015 |access-date=December 2, 2015}}</ref>
* When users attach an external storage device with potential file system errors, the user will be prompted to scan for and fix the file system corruption (''Do you want to scan and fix Removable Disk
* When Windows is rebooted after an unexpected shutdown (such as those caused by a [[blue screen of death]]), the user is informed that the shutdown was unexpected (''Windows has recovered from an unexpected shutdown'') and is provided an option to report the incident to Microsoft for problem analysis and resolution.
* [[Task Manager]] presents more detailed system information and monitoring. Memory consumption is now displayed as a percentage value instead of as separate [[commit charge]] values. A ''Services'' page displays all services, with descriptions, names, process IDs, groups, and statuses, and there are ''Go To Process'', ''Start Service'', and ''Stop Service'' context menu options. The following changes were also made to Task Manager pages:<ref name="HarderToDetect">{{cite web |url=https://www.techrepublic.com/article/windows-vistas-task-manager-the-harder-to-detect-changes/ |title=Windows Vista’s Task Manager: The harder-to-detect changes |last=Shultz |first=Greg |date=February 21, 2007 |publisher=[[CBS Interactive]] |work=[[TechRepublic]] |access-date=December 1, 2022}}</ref>
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** The ''Processes'' page includes new ''Command Line'', ''Description'', ''[[Executable space protection#Windows|Data Execution Prevention]]'', ''Image Path Name'', and ''Virtualization'' column options
** The ''Processes'' page also includes new ''Open File Location'' and ''Properties'' context menu options
* Unresponsive application windows receive visual treatment — they are superimposed with window frosting — to indicate the application has ceased to respond.
* Windows Vista contains diagnostic tracing hooks around plug and play operations; because of this users can, for example, view devices that have failed to start, or view unsuccessful plug and play operations such as failed ejections of removable storage devices, with information about the application path, process id, and veto time of the application that caused the ejection to fail.<ref name="PNP">{{cite web |url=https://download.microsoft.com/download/5/b/9/5b97017b-e28a-4bae-ba48-174cf47d23cd/cpa060_wh06.ppt |title=Kernel Plug And Play In Windows Vista |last=Marshall |first=Allen |date=2006 |publisher=[[Microsoft]] |format=PPT |access-date=December 16, 2022}}</ref>
* Windows Vista introduces a new help and support architecture and interface based on the Assistance Platform client and [[Microsoft Assistance Markup Language|MAML]]; the new architecture is not backward-compatible with previous versions of Windows.<ref name="WindowsVistaDeveloperStory">{{cite web |url=http://msdn.microsoft.com//library/en-us/dnlong/html/AppComp.asp |title=The Windows Vista Developer Story: Application Compatibility Cookbook ('Longhorn' Technical Articles) |author=Microsoft |author-link=Microsoft |work=[[MSDN]] |archive-url=https://web.archive.org/web/20070108024243/http://msdn.microsoft.com//library/en-us/dnlong/html/AppComp.asp |archive-date=January 8, 2007 |access-date=May 10, 2015}}</ref>
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