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What Causes The Document Manager Library Is Invalid Error and How to Solve It



The Document Manager Library Is Invalid: What It Means and How to Fix It




If you are a SOLIDWORKS user, you might have encountered an error message that says "The Document Manager Library Is Invalid" when you try to perform a pack and go, launch SOLIDWORKS or SOLIDWORKS Explorer, or open a DWG file. This error can be frustrating and prevent you from working on your projects. But what does it mean and how can you fix it?




The Document Manager Library Is Invalid



In this article, we will explain what the document manager library is, what causes the error, and how to solve it. We will also provide some tips and resources to help you avoid this error in the future.


What Is the Document Manager Library?




The document manager library is a component of SOLIDWORKS that allows you to access and manipulate SOLIDWORKS files without opening them in SOLIDWORKS. It is used by various applications and features, such as pack and go, SOLIDWORKS Explorer, eDrawings, and DWG Editor. The document manager library is implemented as a DLL file called swDocumentMgr.dll, which is usually located in C:\\Program Files\\Common Files\\SolidWorks Shared.


The document manager library is essential for working with SOLIDWORKS files efficiently and reliably. It allows you to perform tasks such as copying, renaming, moving, deleting, replacing, and searching for SOLIDWORKS files without opening them in SOLIDWORKS. It also allows you to view and edit the properties and references of SOLIDWORKS files without opening them in SOLIDWORKS.


What Causes the Error?




The error "The Document Manager Library Is Invalid" means that the document manager library is either missing, corrupted, or not registered properly on your system. This can happen due to various reasons, such as:


  • A faulty or incomplete installation or upgrade of SOLIDWORKS.



  • A conflict with a Windows update or another software.



  • A virus or malware infection.



  • A registry error or corruption.



  • A user permission issue.



The most common cause of this error is a conflict with a Windows update called KB 3072630, which was released on July 15th, 2015. This update makes changes to the Windows Installer that affect the registration of DLL files such as swDocumentMgr.dll. If you installed or upgraded SOLIDWORKS after this update, you might have encountered this error.


How to Fix It?




There are several possible solutions to fix this error, depending on the cause and your system configuration. Here are some of the most common and effective methods:


Re-register the swDocumentMgr.dll file using the regsvr32 command. To do this, follow these steps:


  • Click Start, click Run, type "cmd" in the Open box, and then click OK.



  • Type "regsvr32 \"C:\\Program Files\\Common Files\\SolidWorks Shared\\swDocumentMgr.dll\"" (without quotes) and press Enter.



  • You should see a confirmation message that says "DllRegisterServer in C:\\Program Files\\Common Files\\SolidWorks Shared\\swDocumentMgr.dll succeeded."



  • Restart your computer and try again.



Disable the KB 3072630 update temporarily and run a repair of your SOLIDWORKS installation. To do this, follow these steps:


  • Click Start, click Control Panel, click Programs and Features, and then click View installed updates.



  • Find the KB 3072630 update in the list and right-click on it. Then click Uninstall.



  • Restart your computer.



  • Click Start, click Control Panel, click Programs and Features, and then click SOLIDWORKS.



  • Click Change/Remove and then select Repair.



  • Follow the instructions to complete the repair process.



  • Restart your computer.



Reinstall SOLIDWORKS using an updated version that is compatible with the KB 3072630 update. To do this, follow these steps:


  • Uninstall SOLIDWORKS from Programs and Features.