Windows 2000 was released in 1999, when some processors commonly used at that time lacked SSE(1) were still supported. SSE2 was released in 2001 and was introduced with the original Pentium 4 as suggested by the Wikipedia article on it. I suspect that regardless of if your underlying hardware supports SSE2, Windows 2000 itself had components which were pulled in as a dependency which lacked SSE, which then triggered this regression. But more fundamentally, the question now if that was the only change lies in whether the underlying components affected by this change caused the regression you suggest, rather than to stereotype the application as a whole. Those were the only changes mentioned this issue as you suggested. But making things worse here is that DEC had the first mass-produced 64-bit processor in 1994 and Microsoft in tandem with Intel struggled along for years, trying to make us believe that more memory didn't exist.Įnded Firefox for Windows support for SSE processors (Changed) To compare what was changed specifically for the Windows platform between 48 and 49 would be a good start.
Since Firefox is open-source, their changelogs and source code changes are public, if you are keen on looking into what in fact they changed, if not mentioned if the changes were too comprehensive to make sense of. Using CFF explorer or similar tools you can see what Visual C++ version the executable is compiled with. Watson is invoked, it would likely just collect the memory offsets and the loaded process images/modules that were in the space when the crash occurred as it still does today on more recent versions of Windows, even if as you see is not that.
Download Firefox for Windows XP or Vista.You can check the event viewer to see if there's any additional information that was missed. Note: Its support for Windows XP and Windows Vista is still available trough Firefox ESR (Extended Support Release).
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