Solution: Turn off “Preview window” in the main interface. Also, ensure you are not running two capture applications simultaneously (TeamViewer, Zoom, etc.).
Click the green “Download for Windows 10” button. The file should be named something like Viewplaycap_Setup_v3.2.1_x64.exe. The file size is roughly 45 MB. Always verify the digital signature (right-click → Properties → Digital Signatures → Check “Viewplaycap Technologies LLC”). Viewplaycap - Download For Windows 10
Even from official sources, it is wise to right-click the downloaded .exe and scan with Windows Defender or Malwarebytes. Genuine Viewplaycap will pass all major antivirus engines. Solution: Turn off “Preview window” in the main