[Lazarus] Lazarus 2.0.10 corrupted by Win 10 crash, how to repair?

[Michael Van Canneyt]

On Thu, 29 Oct 2020, Bo Berglund via lazarus wrote:

> Yesterday I was working on an application using Lazarus 2.0.20/fpc
> 3.2.0 on a Windows 10 notebook.
> Suddenly Win10 decided to crash with a memory fault and restarted
> itself.
>
> But now Lazarus no longer works and when I inspected the config dir I
> found that two files had been hosed (filled with NUL characters):
>
> environmentoptions.xml
> inputhistory.xml
>
> All other files seem to be OK, so now I wonder what I can do to repair
> my Lazarus installation?
>
> Unlike on Linux this installation is created using the official
> windows installer for Lazarus 2.0.10 so I do not really know how the
> two files were created. On Linux I always install from SVN sources
> using a script I created years ago and then I can backtrack there...
>
> I tried to use files from my 2.0.8 installation after editing the
> items pointing to locations in the 2.0.8 tree to instead point to
> 2.0.10, but that was not successful.
>
> Grateful for any suggestions on how to fix this.
>
> (I do not really want to start over from scratch after spending time
> installing extra packages and customizations and the like).

The packages should be OK. But as the names indicate, your input history is
lost, and the environment options (essentially what you entered in tools -
options) also.

Just delete those 2 files.

Michael.