Asked about the possibility of Giggs playing for Wales again, Ferguson said: 'Ryan? You must be joking. I can't see it, it must have been a weak moment for Ryan. I can't see that happening.'
Related ArticlesRooney fighting fit for Bolton tripNani signs new contractBolton v Man United: previewBulgaria up first for England in Euro 2012Hargreaves rejoins United first-team trainingHargreaves fears pain may hinder full recoveryGiggs, 36, enjoying a fine run of form this season for Manchester United, has not played for his country since the summer of 2007, but with the Euro 2012 qualifying campaign looming and Wales without Ramsey he hinted that a return was possible.
''It is something that I would have to talk about with John [Toshack, the Wales manager] and Sir Alex Ferguson,' said Giggs.
''But, at this stage, I wouldn't dismiss the idea.
''If I had that call from John I would have to think hard about it.
''I would properly consider the idea. I wouldn't rule it out.''
Wales open their qualifying campaign away to Montenegro on September 3 before facing Bulgaria, Switzerland and England.
''Starting off well in a fresh campaign is vital,'' Giggs added.
''Those first two or three games are so important to get the whole country fully behind the team.''