Failed to retrieve components whose CLSID is {} in the com class factory because the following error is displayed: 80040154

Failed to retrieve components whose CLSID is {} in the com class factory because the following error is displayed: 80040154 

 

First, check whether the called COM is registered. If not, run cmd as an administrator to perform regsvr32 ****. DLL (. OCX) and other registration, mutual reference, also need to register, you can view the reference relationship through depends

 

Second, in a 64-bit system, this error may be prompted even if the registration prompt is successful. Because most COM components are based on 32-bit systems, you must reference the COM component in the project, find the target platform (property-generate-General-Target Platform) in the Project Properties and select x86 to let the project identify com

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