Sysinternals Microsoft ( Process Explorer – Show Process Tree Menu Item Disabled (Greyed Out)

This item is for those of you who have been using Sysinternals’ utilities – particularly the awesome tool Process Explorer.

I’ve noticed that when I update to the latest version, the process list gets messed up as well as the data columns.  And most annoyingly, the ‘Show Process Tree’ menu item becomes permanently disabled (grayed out).

There is a fix for this, albeit imperfect.  Apparently what happens is the Windows Registry entries for the application customization becomes corrupt, or out of synch with the newest version of the tool.  To fix it, you can do the following:

  1. Exit Process Explorer completely – check your system tray to be sure it has not only been minimized to the tray
  2. RENAME or DELETE the following registry entry (using the Registry Editor application REGEDIT):
        HKEY_CURRENT_USERSoftwareSysinternalsProcess Explorer
  3. Restart Process Explorer and re-configure the application options and column headings

Hope this gets you back on track!

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4 Responses to Sysinternals Microsoft ( Process Explorer – Show Process Tree Menu Item Disabled (Greyed Out)

  1. Dude says:

    Didn’t work :-(, deleted Process Explorer’s bit, option still greyed out

  2. Dude says:

    Found solution, simply sort by CPU and the option becomes available!!!!

  3. Michael S says:

    Thanks for the post. Deleting the registry entry didn’t work for me. But inside “ProcessExplorer” entry I edited “ShowProcessTree” to 0 and this solved the problem (now I see flat list instea of tree view)

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