vxextensibilitylib3.tlb is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like vxextensibilitylib3.tlb, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like Setup.exe - to follow. These files were created so that multiple programs (eg. Microsoft Visual Studio 2010 Ultimate) could share the same vxextensibilitylib3.tlb file, saving valuable memory allocation, therefore making your computer run more efficiently.
Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared TLB file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when vxextensibilitylib3.tlb is attempted to be loaded either when Microsoft Visual Studio 2010 Ultimate is starting up, or in some cases already running. Some of the most common vxextensibilitylib3.tlb errors include:
- Access Violation at address - vxextensibilitylib3.tlb.
- vxextensibilitylib3.tlb could not be found.
- Cannot find C:\Program Files (x86)\Common Files\microsoft shared\MSEnv\vxextensibilitylib3.tlb.
- Cannot register vxextensibilitylib3.tlb.
- Cannot start Microsoft Visual Studio 2010 Ultimate. A required component is missing: vxextensibilitylib3.tlb. Please install Microsoft Visual Studio 2010 Ultimate again.
- Failed to load vxextensibilitylib3.tlb.
- The application has failed to start because vxextensibilitylib3.tlb was not found.
- The file vxextensibilitylib3.tlb is missing or corrupt.
- This application failed to start because vxextensibilitylib3.tlb was not found. Re-installing the application may fix this problem.
Your vxextensibilitylib3.tlb file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Microsoft Visual Studio 2010 Ultimate), or deleted by a malware infection. Furthermore, vxextensibilitylib3.tlb file corruption could be caused from a power outage when loading Microsoft Visual Studio 2010 Ultimate, system crash while loading vxextensibilitylib3.tlb, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.
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