I recently found my Windows Search functionality just stopped dead in its tracks. I’m still investigating the exact cause of this (haven’t ruled out malware just yet) but it would appear this is a problem with the Windows Search registry entries.
Opening Windows Search, clicking “Search now” and the explorer process hangs / freezes.
Fix: (queue eyebrow-raising solution)
If you download ProcMon and filter for explorer.exe, you’ll see it is trying to open the same file again and again. For me, this was a zip file containing icons for a web project I’m working on.
To make the search feature work again, rename the file it is getting stuck on and restart explorer. You should find everything is operational.
If anything is unclear and you think this problem might be affecting you, leave a comment and I’ll have a look.