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Frank J Cintron

FSX SP1 and SP2 Download

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Gentlemen, I am trying to install Microsoft FSX and FSX Acceleration into my new powerful gaming desktop Windows 11 computer, using my original Windows XP compatible CDs. FSX has been installed and activated already, but the Acceleration CD never finishes the installation while validating components registration process. Have you guys encountered this issue and if yes, how did you resolve it? Also, are SP1 & SP2 available elsewhere, where I can download and install them separately, please advise? 


Frank J. Cintron, P.E.

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11 hours ago, Frank J Cintron said:

ave you guys encountered this issue and if yes, how did you resolve it? Also, are SP1

FYI, Acceleration contains the SP1 & SP2 updates, so you would only want to install them if you opt not to install Acceleration.

SP2: https://www.microsoft.com/en-us/download/details.aspx?id=8986 or https://flyawaysimulation.com/downloads/files/2796/flight-simulator-x-service-pack-2/

SP1: https://flyawaysimulation.com/downloads/files/1950/microsoft-flight-simulator-x-service-pack-1/ or https://www.gamefront.com/games/flight-simulator-x/file/flight-simulator-x-service-pack-1-english


Ernest Pergrem

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Back in the FSX days, I encountered a similar problem several times, and found that copying the Acceleration installer from the CD to the hard drive made it work.  Why?  Who knows...

There are components in the SP1 and SP2 updates that are *not* included in Acceleration...installing all of the service packs in order is the right way to do it.  Similarly, the SDKs for RTM, SP1, SP2, and Acceleration should all be installed in order as well, as they install different versions of Simconnect that coexist in a side-by-side library, and some add-ons do use the older versions.

Bob Scott | President and CEO, AVSIM Inc
ATP Gulfstream II-III-IV-V

System1 (P3Dv5/v4): i9-13900KS @ 6.0GHz, water 2x360mm, ASUS Z790 Hero, 32GB GSkill 7800MHz CAS36, ASUS RTX4090
Samsung 55" JS8500 4K TV@30Hz,
3x 2TB WD SN850X 1x 4TB Crucial P3 M.2 NVME SSD, EVGA 1600T2 PSU, 1.2Gbps internet
Fiber link to Yamaha RX-V467 Home Theater Receiver, Polk/Klipsch 6" bookshelf speakers, Polk 12" subwoofer, 12.9" iPad Pro
PFC yoke/throttle quad/pedals with custom Hall sensor retrofit, Thermaltake View 71 case, Stream Deck XL button box

Sys2 (MSFS/XPlane): i9-10900K @ 5.1GHz, 32GB 3600/15, nVidia RTX4090FE, Alienware AW3821DW 38" 21:9 GSync, EVGA 1000P2
Thrustmaster TCA Boeing Yoke, TCA Airbus Sidestick, 2x TCA Airbus Throttle quads, PFC Cirrus Pedals, Coolermaster HAF932 case

Portable Sys3 (P3Dv4/FSX/DCS): i9-9900K @ 5.0 Ghz, Noctua NH-D15, 32GB 3200/16, EVGA RTX3090, Dell S2417DG 24" GSync
Corsair RM850x PSU, TM TCA Officer Pack, Saitek combat pedals, TM Warthog HOTAS, Coolermaster HAF XB case

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Or use the simple solution, FSX Steam Edition.  Just sayin'.

My computer: ABS Gladiator Gaming PC featuring an Intel 10700F CPU, EVGA CLC-240 AIO cooler (dead fans replaced with Noctua fans), Asus Tuf Gaming B460M Plus motherboard, 16GB DDR4-3000 RAM, 1 TB NVMe SSD, EVGA RTX3070 FTW3 video card, dead EVGA 750 watt power supply replaced with Antec 900 watt PSU.

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