InstallerSupportLib.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like InstallerSupportLib.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. Zoner Photo Studio) could share the same InstallerSupportLib.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 InstallerSupportLib.dll is attempted to be loaded either when Zoner Photo Studio is starting up, or in some cases already running. Some of the most common InstallerSupportLib.dll errors include:
- Access Violation at address - InstallerSupportLib.dll.
- InstallerSupportLib.dll could not be found.
- Cannot find C:\Program Files\Zoner\Photo Studio 19\Program32\InstallerSupportLib.dll.
- Cannot register InstallerSupportLib.dll.
- Cannot start Zoner Photo Studio. A required component is missing: InstallerSupportLib.dll. Please install Zoner Photo Studio again.
- Failed to load InstallerSupportLib.dll.
- The application has failed to start because InstallerSupportLib.dll was not found.
- The file InstallerSupportLib.dll is missing or corrupt.
- This application failed to start because InstallerSupportLib.dll was not found. Re-installing the application may fix this problem.
Your InstallerSupportLib.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Zoner Photo Studio), or deleted by a malware infection. Furthermore, InstallerSupportLib.dll file corruption could be caused from a power outage when loading Zoner Photo Studio, system crash while loading InstallerSupportLib.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.