Re: waiting for response problem
If that happens with any program, then it sounds like a pretty big issue. I'd recommend the usual - boot into safe mode, run a full virus scan, run defrag and chkdsk and see if that solves the issue. If not, I'd recommend a full wipe / reinstall.
As a side note, it could be possible that it's due to a component in your PC failing, such as the hard drive - so I'd also advise backing everything up ASAP if it's not already. To rule this one out you'd have to check the SMART status or run a drive diagnostics test.