System Posted February 27, 2015 Report Share Posted February 27, 2015 Windows Update Error # 643: Cannot down load updates Mircrosoft NET Framework 4.5.2 for Windows 7 x 64base system (KB2901983), Microsoft Visual 2010 Tools for Office Runtime (KB3001652), and Microsoft Visual C + + 2008 Service Pack 1 Distributable Package (KB2538253). When I do download the updates, the process will begin the down load and conclude that there is an error code 643 for all updates. I try to download Windows updates and get an eoor code 643 when installing the last update; Microsoft Visual C ++ 2008 Service 1 Redistributable Package (KB 2538243). Operating system:Windows 7 Home Premium (64 bit) Service Pack 1 System root: C:Windows Available physical memory: 7665 MB CPU: AMD A8-3800 APU with Radeon HD Graphics Drive Info: C: 919.77 GB D: 11.65 GB J: 2794.52 GB Internet Explorer: 11.0 Link to comment Share on other sites More sharing options...
xilolee Posted February 28, 2015 Report Share Posted February 28, 2015 Hi system. Check .NET Framework update installation error: "0x80070643" or "0x643" and keep us updated. Link to comment Share on other sites More sharing options...
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