The higher the number in the CPU column (99% being the maximum), the
less your processor is being used by the currently running programs.
winlogon.exe This process manages security-related user interactions, such as logon and logoff
requests, locking or unlocking the machine, changing the password, and the remote Registry
service.
wmiprvse.exe This is responsible for WMI (Windows Management Instrumentation) support in Windows
Vista, also known as WBEM. Like csrss.exe, above, wmiprvse.exe is a common target for
viruses, so if this process appears to be consuming a lot of CPU cycles on your system, you
should update and run your antivirus software.
302 | Chapter 6: Troubleshooting
Naturally, you shouldn??™t interfere with the components
Windows requires to operate while you??™re looking for errant
programs or programs you can get along without. And just
because something isn??™t listed here doesn??™t mean it isn??™t
required by your system, so use caution when ending a process
with which you??™re unfamiliar.
See ???Manage Startup Programs,??? earlier in this chapter, for tips on researching
and identifying processes and programs you don??™t recognize.
Stop notifying Microsoft
There??™s something comforting about Windows inviting you to share details
about your last application crash with Microsoft engineers??”people who,
presumably, can use that information to help solve the problem. But if a
warm, fuzzy feeling isn??™t as high of a priority as getting back to work after a
crash, you may choose to turn off the error reporting feature.
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