1513 is indeed a script crash. It can also happen during a walktrough because the walkthrough is handled by an internal script.

Of course, there are no script errors in internal scripts. Therefore, the crash is related to something happening on your PC while the engine is running.

Maybe the reinstallation of XP has installed a faulty driver or even a virus that damaged the engine. I would undertake the following steps:

- run a RECENT virus scanner (often peopla are conviced they have no virus, but it's just an outdated scanner)
- run a memory test program overnight (a frequest cause for engine crashes are faulty memory chips)
- remove and reinstall Gamestudio completely to rule out a damaged file during installation
- if this didn't remove the problem, reinstall XP completely, then install Gamestudio anew.

Moved to the Engine forum as it's obviously not related to a bug.