Hello, I'm also facing troubles with UAC while running in "application mode" aka "no admin rights" mode (this is a requirement in my environment - no remote software should run with elevated permissions). It seems that this is related to bug report #1288 (https://sourceforge.net/p/vnc-tight/bugs/1288/) because even if I completely disable UAC switching to secure desktop by disabling group policy setting "User Account Control: Switch to the secure desktop when prompting for elevation" it still doesn't...
Working NAPS2.exe.config file in attachment
Situation: proxy requires windows authentication Error: 2018-03-13 11:36:27.8533 Error downloading file: tesseract.exe.gz System.Net.WebException: The remote server returned an error: (407) Proxy Authentication Required. at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult) at System.Net.WebClient.GetWebResponse(WebRequest request, IAsyncResult result) at System.Net.WebClient.DownloadBitsResponseCallback(IAsyncResult result) Solution: add defaultProxy useDefaultCredentials="true"...
Error (407) Proxy Authentication Required