Re: Windows upgrade in process
Back in the Windows XP days, my company had a standard image with a tool that would checksum c:\program[sic] files, c:\windows etc to make sure that all patches had been applied and nothing had been changed.
This wasn't a bad idea in principle, but it was configured to run every four hours and in the days of single core Pentium 4s and hard discs this meant your laptop turned into a paperweight. This actually killed a number of high-profile presentations and generally made it hard to use your computer