How to Fix Qbittorrent I/O error in Windows 10 Method 5: Disable Third-Party Antivirus Software (If Applicable).Method 4: Add User in Qbittorrent Properties.Method 3: Disable Windows Defender Firewall (Not Recommended).Method 2: Run Qbittorrent as Administrator.How to Fix Qbittorrent I/O error in Windows 10.

You will either have to, from time-to-time, re-Allow the qbittorrent client to run (you'll find it in the 'Virus and threat protection' -> 'Current threats' -> 'Protection history' section, or, for something permanent but a bit more risky because of the actual PUAs, you'll disable for good the 'Potentially unwanted app blocking' from the 'App & browser control' -> 'Reputation-based protection/Reputation-based protection settings' -> 'Potentially unwanted app blocking' to either off or just 'Block apps' and/or 'Block downloads'. It was first done so only on the Enterprise versions, but now, on Home editions as well. In fact it's a strong stance on Microsoft's side to flag all torrent clients as PUA. In order to avoid installing such PUA / PUP, you have to always install the main software by choosing the advanced/custom options.' ( The setup package is clean, so it must be a false positive on Microsoft's side.

'A PUA / PUP (potentially unwanted application / potentially unwanted program) is a software that may be unwanted on the PC and sometimes comes bundled with freeware software. 'Potentially Unwanted Applications (PUAs) are unwanted software programs that come bundled in legitimate free software programs as a package.' ( us.)

Windows Defender Antivirus detects and removes this threat.

Windows 10 firewall control torrent