Error 2146697211 - for the first time on pc

[DevilsDontFly]

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Tell him to go through his browser settings and clean his cookies cache. This has potential to be a driver's problem also or maybe directX corrupting itself for whatever reason. As long as computer problems and corrupted files go, I'd say maybe a windows update borked something but since he plays on Windows 7 that might not be the case.

Another thing you could do is Press the Windows key on your keyboard + R, type in cmd > ok, and when the black box shows up, type: sfc /scannow
After that just press enter and the system itself will perform a scan to locate and fix corrupted files. But depending on what exactly is the issue, and if it's a faulty Windows 7 support on SE's end, there's little else to be done.