Funny thing happen to me today, this error message appeared for the first time since I've been using VW (8 years). "internal error - general failure encountered during disk I/O operation. (Failure on attempt to open file)" Here is what happened... My original computer that the files were created from is in the shop getting fixed, but our files are housed on a server. I'm currently working at another station, which that error message is appearing on. I have re-installed VW 2011(SP5) and t