原先都正常，最近卻在管理頁面頭出現錯誤碼～

[jacklo99]

Exception message: unlink(./tmp/1/01fa22b41c602f58ae7124422e45befe^%%-45^%%-450056182^posttrackbacks.template): Permission denied
Error code: 2
-- Backtrace --
c:\appserv\www\plog\class\file\file.class.php(229): unlink
c:\appserv\www\plog\class\file\file.class.php(273): file.delete
c:\appserv\www\plog\class\template\cachecontrol.class.php(94): file.deletedir
c:\appserv\www\plog\class\action\admin\adminupdatepostaction.class.php(126): cachecontrol.resetblogcache
c:\appserv\www\plog\class\controller\controller.class.php(309): adminupdatepostaction.perform
c:\appserv\www\plog\admin.php(39): admincontroller.process

請問這是怎麼回事哩？我的版本是1.0.6