So, when you run AutoUpdateIt, you may get output like this:
>"F:\AutoIt3\SciTe\..\autoit3.exe" /ErrorStdOut "F:\AutoIt3\Extras\AutoUpdateIt\AutoUpdateIt.au3"
F:\AutoIt3\Extras\AutoUpdateIt\AutoUpdateIt.au3 (144) : ==> Variable used without being declared.:
GUICtrlCreateLabel('Date: ' & $s_CurrDate, 15, 40, 145, 15)
GUICtrlCreateLabel('Date: ' & ^ ERROR
>Exit code: 1 Time: 1.177oÝ÷ ØÚ0¶¬¬£ºË[zæÊÈy»ë-w±è^íý²0¶âÆ+E»-¢§DÎ!3ÀL}=ØLm«4÷`.¶)u«^"Ý=Ø¡J]j×·'"LJ+jȦV«¦º ©«zZr)àDÎ!3Ó*.®ÚºÚ·qbÖ®¶sdvÆö&Â6öç7Bb33c·5ôS5W&VrÒb33´´5Rb3#µ6ögGv&Rb3#´WFôBc2b3#´WFõWFFTBb33oÝ÷ Ø]méhÁ«¢+Ù±½°ÀÌØíÍ}
ÕÉÉÑô5=8µÀìÅÕ½Ðì¼ÅÕ½ÐìµÀì5dµÀìÅÕ½Ðì¼ÅÕ½ÐìµÀìeH
Save the file, and run it. Taa-daa!