June 24, 201015 yr I just bought the PMDG747-8i extension upgrade but I can't install it. After clicking the file the installshield window briefly opens then closes immediately (the progress bas never filled).I tried running it as an administrator but problem persists.Here is a screenshot: Roy Joven T. Benzonan AS136 - AirSource Virtual Pilot Union Acer Aspire 5738G, Intel Core 2 Duo (2.2Ghz), 4GB RAM, ATI Mobility Radeon (512MB graphics), Windows 7 (64-bit) Add-ons: Radar Contact V4, Activesky Evolution, FDC Live Cockpit Flight Planning: FSBuild2, Navigraph nDAC3 Aircrafts: PMDG NGX/747-8i, LDS 767, CS C130
June 28, 201015 yr Do you have the 747X installed?You might want to visit the pmdg support portal at their web site and create a trouble ticket. Dan Downs KCRP
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