About isapi.dll errors.

When an application requires isapi.dll, Windows will check the application and system folders for this .dll file. If the file is missing you may receive an error and the application may not function properly. Learn how to re-install isapi.dll.

.DLL Error Examples
• This application has failed to start because isapi.dll was not found. Re-installing the application may fix this problem.
• isapi.dll Not Found.

Possible fixes for isapi.dll errors.

• Re-Install the application that requires isapi.dll.
• Update the application to the latest version.
• Install all Windows updates and any available driver updates.
• Clean your registry and optimize your computer.
• Download and install isapi.dll.