Ever notice how each PC has a personality of its own? Or maybe even multiple personalities? In the course of a week, your computer may act friendly, moody, and sometimes downright mean.

However, don’t take a hammer to your PC just yet. The following is a list of common symptoms and treatments to help even the most troublesome PCs. You don’t even have to be a psychologist (at least not yet) to deal with your PC’s neuroses.

Windows 7 and Windows Vista usually manage this automatically, but overall you’ll find that these tips work for all versions of Windows, from Windows 95 to Windows 7.
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Windows Management Instrumentation (WMI) is a key part of the Windows 7 operating system. It is used to gather system statistics, monitor system health, and manage system components. To work properly, WMI relies on the WMI service. This service must be running and properly configured for your environment.

You control the configuration of the WMI service through WMI Control, which can be accessed on a local or remote system by using the following steps:

1. Click Start, type administrative tools, and hit Enter.

2. Then click Computer Management.

3. To connect to a remote computer, right-click Computer Management in the console tree and then select Connect To Another Computer. You can now choose the system that has the services you want to manage, provided you have the proper administrative privileges. More »

Occasionally, you might discover a client that isn’t automatically installing updates correctly. Such clients are typically identified during software update audits. To identify the source of the problem, follow these steps:

1. Determine the last time the client was updated. This can be done in two different ways—by checking the client’s registry (the most reliable technique) or, if you use Windows Server Update Services (WSUS), by checking the Reports page on the WSUS Web site.

* To check the client’s registry, open the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\Results registry key. In each of the Detect, Download, and Install subkeys, examine the LastSuccessTime entry to determine when updates were last detected, downloaded, and installed. More »