SystemWindowsFormsdll missing not found error Unavoidably PC may get infected by virus like TrojanWin32DelfNI or controlled by malware like FotoGanando After they are removed by antivirus such as SKY Internet Security the infected file SystemWindowsFormsdll would be deleted as well so that missing problem is found

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System.Windows.Forms.dll missing / not found error: Unavoidably PC may get infected by virus like Trojan:Win32/Delf.NI or controlled by malware like FotoGanando. After they are removed by antivirus such as SKY Internet Security , the infected file System.Windows.Forms.dll would be deleted as well so that missing problem is found.