"ERROR LOADING TYPE LIBRARY/DLD

Question

hOW DO i FIX THE FOLLOWING ERROR.

ERROR LOADING TYPE LIBRARY/DLL

Answer 1

Hello Frank Doyle,

The error “Error loading type library/DLL” is not related to Windows for Business or Windows 365 Enterprise. It is a COM/ActiveX registration issue that occurs when an application tries to load a type library (.tlb) or DLL that is either missing, corrupted, or not properly registered in the system registry. This is typically seen with legacy applications, Office add-ins, or custom software that depends on COM components.

The first step is to identify which DLL or type library is failing. Usually, the application log or Event Viewer will show the specific file name or CLSID. Once you know the component, you can re-register it using regsvr32 <path to dll>. For example, if the error points to mscomctl.ocx, you would run regsvr32 C:\Windows\SysWOW64\mscomctl.ocx from an elevated command prompt. If it is a type library (.tlb), you may need to reinstall the application or copy the missing file back into C:\Windows\System32 or C:\Windows\SysWOW64 depending on whether it is 32-bit or 64-bit.

If the error persists even after re-registering, check the registry under HKEY_CLASSES_ROOT\TypeLib for the CLSID mentioned in the error. Sometimes stale or broken entries remain after an uninstall, and cleaning those out before reinstalling the application resolves the issue. Also confirm that the application architecture matches the DLL (32-bit vs 64-bit mismatch can trigger this error).

If you can provide the exact DLL or type library name mentioned in the error, I can give you the precise registration command or confirm if a reinstall is required.

I hope you've found something useful here. If it helps you get more insight into the issue, it's appreciated to accept the answer. Should you have more questions, feel free to leave a message. Have a nice day!

Domic Vo.

Answer 2

The error "ERROR LOADING TYPE LIBRARY/DLL" typically indicates issues with the dynamic link library (DLL) or type library. Here are some common causes and solutions:

1. The file isn't DLL-executable: If the file is a source-text file, it must be compiled and linked to a DLL executable form.
2. The file isn't a Microsoft Windows DLL: Obtain the Microsoft Windows DLL equivalent of the file.
3. The DLL references another DLL that isn't present: Ensure that all referenced DLLs are available.
4. The DLL or one of the referenced DLLs isn't in a directory specified by your path: Move the DLL to a referenced directory or add its current directory to the path.
5. Bit version incompatibility: Ensure that the DLL matches the bit version of your operating environment (32-bit or 64-bit).

If you continue to experience issues, consider performing an online repair of the Office installation if applicable, or check the registry settings related to the DLLs involved.

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References:

• Error in loading DLL (Visual Basic)
• Error in loading DLL (Error 48)
• Can't find DLL entry point in specified DLL