SIGSEGV error only for new projects and only when you move the mouse over lazarus / 34-Windows ---------------------------------------------------------------------- Marcelo Santos · 2015-10-10 19:37 Always try to correct the error searching for here but this time ...  When I run a new project the SIGSEGV error occurs. The address 744DDD47. details: - Only for new projects. Existing projects run normally. - The error occurs when I interact with the Form. If you do not focus nothing happens. - The created .EXE runs without errors. - For months I used with no problems. attempts: Reinstall Lazarus; Windows formatting; Uninstall program running in the background: Google Chrome, Avast Antivirus, Drive ... True in DisableLoadSymbolsForLibraries option Added in Debugger_Starup_Options option: --eval-command = "auto set- off solib-add" (I do not know what that is, to be honest) I created another user on Windows. System: Lazarus 1.4.0, 1.4.2 and 1.4.4 (tried all) Windows 7 64 ---------------------------------------------------------------------- Blaazen · 2015-10-10 19:51 QuoteWhen I run a new project the SIGSEGV error occurs. The address 744DDD47."New projects" means projects that was not yet saved? (Such projects are stored in some "temp" directory). ---------------------------------------------------------------------- Marcelo Santos · 2015-10-10 19:55 Yes, Blaazen. But even saving on some folder the error continues ---------------------------------------------------------------------- Marcelo Santos · 2015-10-24 12:01 No one? I also noticed that Lazarus is slower when accessing menus, dialogs ... It opens and closes slowly. And only he is, other programs are normal. And it is with the version 1.2.6 the same problem. I also realized that the error only happens exactly when I pass the mouse over the Form. Writing in a edit, press TAB, press a button on the keyboard the error does not happen. ---------------------------------------------------------------------- Cyrax · 2015-10-24 12:38 Remove all files (make a backup first) from Lazarus configuration directory (View->IDE Internals->About IDE->General->Primary config directory) and then try again. ---------------------------------------------------------------------- Marcelo Santos · 2015-10-24 12:45 Quote from: Cyrax on October 24, 2015, 02:38:29 pmRemove all files (make a backup first) from Lazarus configuration directory (View->IDE Internals->About IDE->General->Primary config directory) and then try again. Thanks, Cyrax for the suggestion, but I've done it and did not solve