Internet Explorer 4 on NT


© Tracey Kirkpatrick-Pritchett

SP3 and 3 New Services

I believe a primary reason IE4 requires SP3 is SP3's addition of DirectX v3: a minimum requirement of IE4. IE4 then adds more DirectX functionality, although it's not even close to a full implementation of DirectX v5, like on IE4 for Windows 95.

Once you install IE4, you'll get a new Direct X process running constantly (DDHELP), which doesn't take up much room (a few hundred K).

IE4 also adds two more full-time services to your Memory Hog (Task) list: PSTORES (Protected Storage) and LOADWC (Load Web Check). You can effectively turn both these of these processes off to get some memory resources back:

  • pstores.exe

    The Protected Storage service is installed with Internet Explorer 4, for Bill-Knows-What purpose, but you can keep it from running except when needed (which is never, in my experience) by setting it's Startup value to "Manual" instead of the default "Automatic".

  • loadwc.exe

    Load Web Check is set, in the Registry, to run at startup. You can either edit the Registry to remove the setting entirely, or simply "End Process" from Task Manager every time you boot.

    The Registry entry to delete is "BrowserWebCheck=loadwc.exe" at

      HKey_Local_Machine \Software \Microsoft \Windows \CurrentVersion \Run

    If you find later that you want or need Web Check, you can add it back by simply adding back this key.

... kiss RegClean goodbye

According to various sources, the reason you can't download RegClean from Microsoft's web site is because it's incompatible with IE4. Why? Because IE4 makes a literal mess out of your Registry, and RegClean works on the basis that the Registry makes sense -- if it finds a "orphaned reference", it removes it. So I suppose that if RegClean were allowed to "clean up" after IE4, IE4 would break.

Plenty have reported on newsgroups that RegClean will crash if they try to run it after they install IE4.

Well, I have a version (4, 0, 96, 323) dated Feb 5, 1997 that will run without crashing, and if I allow it to correct the errors it finds, indeed I get a huge RegClean Undo file (about 400 lines not including the blank lines) full of IE4-related Registry entries (whereas a normal RegClean Undo file would have about 20 to 40 lines of garbage... and that's if I hadn't cleaned up in a while). So if you have a RegClean that will run after IE4, I wouldn't try to run it if you want to be able to reboot your computer.

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