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Ed, First of all, thank you for an excellent product. The GNS430 emulation you have come up with is the perfect compliment to P3D for flight training with my students. I am a member of the Naperville Flying Club in Naperville, IL and teach other members in our four single engine aircraft. Three out of the four are equipped with the Garmin 430, so understanding the basics of how to use and fly approaches with the 430 is a key part of the training I provide. I have the Academic version of P3D, and together with your GNS430 emulator, it provides a tremendously safe training environment for our club members to become familiar with the 430. So, to my issue. After installing the GNS430 with your latest installer (GNS_Setup_1.8.0009.exe), I confirmed that it is working perfectly in all four of our club aircraft models, namely, a C172, PA28, PA32, and BE33. I also confirmed that it is driving the VOR heads perfectly in all four aircraft. The PA28, PA32, and BE33 are Carenado models. The C172 is a Microsoft model copied over from FSX. I have both FSX and P3D ver. 3.1 installed on my machine. I am running Windows 10 Pro 64-bit. My system specs are below my signature block. After confirming that the 430 was properly installed and working in both FSX and P3D, I purchased the database update using the Mindstar RealNav database tool included with your GNS430 software. After the data is downloaded to my system via your installer, the installer attempts to load the data. Before the installation completes, however, I receive the following error message, "Cannot bind database to this system." This message appears in a pop-up window where the only option is to click "ok" to make it go away. Upon doing so, the primary installation status window reveals the following message, "RealNav installer failed during execution." Thinking that perhaps this error was caused by a bad data download, I tried it again using the RealNav data update tool. This time, I received the following message, "Checking subscription...Your RealNav Home data cycle 1510 is current. Cycle 1601 will be avaialble [sic] on 01/07/2016." Thinking that perhaps the error message received the first time around was itself an error, I exited the RealNav installer and launched P3D to see if the data was now present on your GNS430. It was not. I then exited P3D and relaunched the RealNav updater. I received the same message about my data being current, so I clicked on the "Re-install 1510" button. The updater connected to your server and downloaded the data again, and again I received the same, "Cannot bind database to this system," error message. Thinking that perhaps the GNS430 had not installed properly, despite the fact that it appears to be working perfectly otherwise, I uninstalled it. During the uninstall of the GNS430, I received another error message, "Unable to unregister c:\windows\sysWOW64\oc30.dll." I checked the referenced directory and found no such file. I checked the system registry and found a reference to the same file, which I then deleted. I rebooted the computer and then reinstalled the GNS430. I then again tried the RealNav updater and received the same error message as before. I uninstalled the GNS430 again, and then reinstalled it a second time, this time using the GNS_Setup_1.8.0005.exe installer I downloaded from your website. I then again used the RealNav updater, and again, received the same error message. I have confirmed that the reinstall of the GNS430 did place a file named "oc30.dll" back in the c:\Windows\SysWOW64\ directory. The file has a date of 5/22/1995 (yes, 1995, not 2005 or 2015) and is 656 KB in size. I also confirmed that there is again a reference to that file in that location in the system registry. Finally, I have confirmed that after each attempted install of the data, the installer placed a file named "REALNAV.RNV" that is dated 9/28/2015 and is 402,309 KB in size in the c:\ProgramData\RealNav\ directory. After each attempted install, I launched P3D and FSX (separately, not at the same time) to confirm that the GNS430 was working and to also see that the new data had not been installed. During each attempted install, I used the "Run as Administrator" option both for the installation of the GNS430 as well as the RealNav data set. I have sent a series of e-mails on this subject to your support team. I have not yet received a response, so I would appreciate any assistance you can provide. I also note from reading through the other posts here, that others have had these same error messages appear that I am seeing. In each of those instances, however, you did not publish the ultimate fix online here. You instead relegated the conversation to a private discussion with your tech support team. You may want to consider publishing the fixes online here so that others having these issues can fix them on their own without having to trouble you and wait for your tech team to respond. Thanks in advance for your help and support and for developing a great product. Bill Seith Certified Flight Instructor System specs: A pair of MSI GTX 970s in SLI (Factory Overclocked) | ASRock Z77 Extreme 4 mobo, Bios Ver. 2.90 | Intel Core i7 3770K (4.4 Ghz) | 32 GB G.Skill TridentX PC3-19200 (2400 Mhz) | Thermaltake 1050W PSU | Acer XB270HA Monitor via DP | 2 AOC G2770PQU Monitors via DVI | Windows 10 Pro 64-bit | Realtek Sound Card