Error: Page Cannot be Displayed - Error Type: "Invalid Class String"

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Symptoms

The following are examples of error messages that may occur:

  • Page Cannot be Displayed - Error Type: "Invalid Class String"

Causes

Not available

Resolution

PLALCWEB.dll is not registered correctly. Search your drive for regasm.exe Copy this exe to the folder containing PLALCWEB.dll (this is generally C:\Inetpub\wwwroot\Alchemex\Binn). Right click regasm.exe and Create Shortcut. Right click the created shortcut. Choose Properties. In the target property, append /codebase PLALCWEB.dll to the end of the target path. Save changes. Double click the shortcut to re-register the dll

Applies To

  • Alchemex