vslangproj90.olb is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like vslangproj90.olb, 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 vslangproj90.olb 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 OLB 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 vslangproj90.olb 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 vslangproj90.olb errors include:
- Access Violation at address - vslangproj90.olb.
- vslangproj90.olb could not be found.
- Cannot find C:\Program Files (x86)\Common Files\microsoft shared\MSEnv\vslangproj90.olb.
- Cannot register vslangproj90.olb.
- Cannot start Microsoft Visual Studio 2010 Ultimate. A required component is missing: vslangproj90.olb. Please install Microsoft Visual Studio 2010 Ultimate again.
- Failed to load vslangproj90.olb.
- The application has failed to start because vslangproj90.olb was not found.
- The file vslangproj90.olb is missing or corrupt.
- This application failed to start because vslangproj90.olb was not found. Re-installing the application may fix this problem.
Your vslangproj90.olb 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, vslangproj90.olb file corruption could be caused from a power outage when loading Microsoft Visual Studio 2010 Ultimate, system crash while loading vslangproj90.olb, 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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