My config is Win 8.1 64bits,
Starting lazarus will open my default project,
but as soon as I try to open another project through the field dialog box (File | Open),
the open file dialog box opens,
it crashes the IDE after few seconds,
I have seen this http://bugs.freepascal.org/view.php?id=25067 and few others related bugs as being closed,
so maybe someone found a workaround ?
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Jy V wrote

it crashes the IDE after few seconds, I have seen this http://bugs.freepascal.org/view.php?id=25067 and few others related bugs as being closed, so maybe someone found a workaround ?

Yes; as you can see in the last comments in that bug report, the workaround is to use FPC trunk which has SEH support and fixes the problem. The SEH changes won't be backported to 2.6.x though as they are too big/invasive.

A perhaps easier workaround is to install the 32 bit IDE, then install the 32=>64 bit cross compiler installer.
This way, you can still build 64 bit applications if needed (note: which, however, will have the same exception handling problems as the 64 bit IDE).

See also:
- the Lazarus 1.2 announcements that have a warning about this and refer to -
http://wiki.lazarus.freepascal.org/Windows_Programming_Tips#FPC_2.6.x.2FLazarus_warning_.28Missing_support_for_SEH.29

Thank you Reinier,
your explanations are clear.
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