InnoCallback.dll is a dynamic link library file developed by Sherlock Software. It is used by Inno Setup, a free installer for Windows programs. InnoCallback.dll contains functions that are used to communicate between the installer and the user's system during the installation process.
If you get an error related to InnoCallback.dll, it may indicate a problem with the Inno Setup installation process. To resolve this issue, you can try reinstalling Inno Setup or checking for any updates or patches that may address the problem. You can also try to replace the InnoCallback.dll file with a known working version.