It is an inherent part of the Inno Setup installer and is designed to be safe when it comes bundled with the official installer from a trusted publisher. The error indicates a problem with the extraction process, not a missing DLL. Manually downloading DLLs from untrusted sources can lead to malware infections or system instability.
Antivirus suites can lock out the engine from writing files to your temporary directory.
The extraction engine maps calls back to runtime C++ libraries. Missing components break the pipeline.
Follow these troubleshooting steps in order to fix your installation. Step 1: Restore or Allow the File via Windows Defender
The error message "it is not found any file specified for ISArcExtract" indicates that the extraction process has failed. This typically happens for one of the following reasons:
By methodically working through the troubleshooting steps outlined in this guide, you will address the root cause, safely resolve the error, and have a much more stable system as a result.