Canon power a540 error 1327

every time i try to downlod software for my canon power a540 it gets part of it dowloaded but then this comes up error 1327 invalid drive g iv tired to change the drive name to drive g but it wont let me please please please somebody please help me before i end up throwing my laptop at the wall

I'm not sure if this applies, but try it: http://support.microsoft.com/kb/327763

Otherwise download CCleaner (http://www.ccleaner.com/download/downloading)and run it
And then use the Registry button (in CCleaner) to scan and fix any errors
Restart, and test again