Re: I cant even install Visual C++ 2008 SP1 Redistributable Package (x64)

Check if your OS if fully updated.

That particualr I/O error seems to be caused by certain KB update which was supposed to be fixed:

http://blogs.msdn.com/b/vsnetsetup/archive/2014/10/27/error-997-overlapped-i-o-operation-is-in-progress-kb2918614-breaks-windows-installer-service.aspx

If your PC reveived all updates and the issue is not fixed, remove KB2918614

https://support.pixlr.com/hc/en-us/articles/203111644-Installation-Crash-Error-997-Overlapped-I-O-operation-is-in-progress-