[general] Registry optimization tip

Windows Registry contains a lot of orphaned and superfluous information after a few months of usage: recently used files for many apps, not more existing SharedDlls, etc - which is cleaned by many registry cleaning tools.

Yet I've seen no tool to care about:

  • Orphaned HKEY_CLASSES_ROOT\Interface records
    sometimes there may exist a lot - check an AHK script to enumerate and delete them
  • Explorer ShellTray notification icons arrangement
    as much as 3MB is quite usual :-) check it yourself, run: regedit /e c:\test.reg HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\TrayNotify
    then see the size of c:\test.reg file and divide it in two. See the next item for a cure.
  • Explorer wallpapers recently used list
    mine was 0.5MB, check it by running: regedit /e c:\test.reg HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Wallpaper
    here's the reg to clean shelltray and wallpapers  MRU list. Paste to notepad and save it to "CleanRegTrayAndWallpapers.reg", type it with quotes(!), then double click it and perform a Windows re-login.

After all these clean-ups the Registry contains a lot of interspersed blocks marked as free, which is not good since new data won't necessarily fit in any of those. So a defragmentation is required, here's IMHO the simplest and fastest tool to do it: One Click Windows Registry Optimizer, 140kb portable version (no installation is required)

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