Some antivirus programs flag smartphone repair tools as false positives. Temporarily disable your antivirus or add the QianLi folder to your exceptions list.
Connecting your hardware device to the PC software expands your repair capabilities beyond standalone mode.
"I like the QianLi stuff, however I've found their software quite buggy and it's very rarely updated."
Look for "QianLi Repair Helper" (currently in version 6.0 or higher). This is the driver and interface for all iCopy devices, including version 2.1.