Melhor fazer pela source...
UserInterface.cpp
bool PackInitialize(const char * c_pszFolder)
{
NANOBEGIN
string block_folder;
block_folder == "D:\\ymir work";
struct stat st;
if (stat("D:\\ymir work", &st) == 0)
{
LogBoxf("Something is wrong delete the file from D (ymir work)");
return true;
}