LicProtector400.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like LicProtector400.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. PDF to Excel) could share the same LicProtector400.dll 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 DLL 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 LicProtector400.dll is attempted to be loaded either when PDF to Excel is starting up, or in some cases already running. Some of the most common LicProtector400.dll errors include:
- Access Violation at address - LicProtector400.dll.
- LicProtector400.dll could not be found.
- Cannot find C:\Program Files (x86)\Blue Label Soft\PDF to Excel 3\LicProtector400.dll.
- Cannot register LicProtector400.dll.
- Cannot start PDF to Excel. A required component is missing: LicProtector400.dll. Please install PDF to Excel again.
- Failed to load LicProtector400.dll.
- The application has failed to start because LicProtector400.dll was not found.
- The file LicProtector400.dll is missing or corrupt.
- This application failed to start because LicProtector400.dll was not found. Re-installing the application may fix this problem.
Your LicProtector400.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with PDF to Excel), or deleted by a malware infection. Furthermore, LicProtector400.dll file corruption could be caused from a power outage when loading PDF to Excel, system crash while loading LicProtector400.dll, 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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