1). If you find a bug in TalkHelper, please enable the debug logging in TalkHelper menu "Tool"--"Options", choose "General" tab, stick the option "Enable to generate debug logs.." option, the debug log folder will show up as following:
2). Restart TalkHelper AND Skype.
3). Reproduce the bug in TalkHelper, locate the log files which are named as "TH_Dll_[DATE].log" in the folder above.
4). Zip all of the log files, Send them to us via email at: email@example.com.
No, both Skype audio and video calls can be recorded unlimited.