wmi.dll Error Fix

What is a DLL?

DLL (Dynamic Link Library) files contain computer code and resources that can be used by multiple programs at the same time. This uses less system memory and helps your computer system run more efficiently. DLL files give program developers the ability to reuse code to add features to several programs without the need to write new code for each program.

There are many programs that require DLL files to function properly so when one of them is damaged or missing it will cause program crashes and poor system performance.

What is wmi.dll?

The file wmi.dll is a module responsible for the implementation of the data collection (DC) and data portability (DP) functionalities of the Windows Management Instrumentation (WMI). WMI with file wmi.dll is pre-installed in Windows 2000, Windows ME, Windows Server 2003, Windows XP, and Windows Vista.

The objective of Windows Management Instrumentation is to provide a non-propriety set of environment-independent designs that will let management information be shared between management applications. It is a collection of extensions to the Windows Driver Model that provides an operating system interface through which instrumented components give notification and information. It allows scripting language such as Windows Powershell and VBScript to control Microsoft Windows servers and personal computers (PCs) remotely or locally.

The wmi.dll file has several functions relevant to traces. The wmi.dll file’s OpenTrace function opens a trace for processing either in real time or from a log file. Its StartTrace function registers and starts an event tracing session.

It also flushes, queries, updates, or stops the specified event tracing session with its ControlTrace function.

The wmi.dll module also can create a unique transaction identifier with its CreateTraceInstanceId function. Also it has an EnableTrace function that enables or disables the specified event trace provider. The ProcessTrace function allows the wmi.dll module to deliver events from one or more event tracing sessions to the consumer.

The wmi.dll file retrieves the severity level, enabled flags, and the handling of the event tracing session with its GetTraceEnableLevel, GetTraceEnableFlags, and GetTraceLoggerHandle functions.

Other functions of the wmi.dll file are WmiOpenBlock, WmiCloseBlock, WmiExecuteMethod, and WmiOpenBlock.

Suggested fix if you are experiencing wmi.dll error messages:

DLL files are important parts of your operating system and many programs require them to function. When these files become damaged or are missing it causes poor system performance and system crashes. To fix these problems the user must replace the damaged file with a valid working version. If a working version cannot be found the user may perform a reinstallation of their operating system.

Wmi.dll is created by:

Microsoft Corporation

Known file path:



Click the Download button below to run a free dll scan to find out if you have missing or corrupt dll files on your computer.

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