在安装gsd时，要关闭step7的一些窗口。
1、有关13:4343错误：
13:4343：anupdateispresentlynotpossible.inoneormorestep7applicationsatleastonegsefileortypefileisbeingreferenced.
2、原因：
inthedifferents7applicationsthereareobjects(stations)openinwhichdpslavesareused.thusitisnolongerpossibletoinstallnewgsdortypefiles,oreventoupdatethem.
3、解决办法：
pleaseclosethestationwindowinthehardwareconfigurationandallotherstep7applications(suchasnetpro,forexample)thatcouldaccessthegsdfile.thehardwareconfigurationapplicationremainsopenhoweverwithoutcontent.thenyoucaninstallthegsdfile.