Explorer.exe crashing after connecting external HDDs...

Barty1884

Retired Moderator
Hi all,

Having a bit of a problem and, while I was just going to clean install the OS, I thought I'd ask and see if I was missing something.

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I received a bunch of components from a friend which I'm either repurposing or disposing of. Included within the lot was around 10 laptop HDDs. They were not secured in any way (they were actually just rolling around among some cables in a giant rubbermaid container.

Anyway, so I connected some of them individually with an external enclosure to my desktop.
The plan was to simply go through them, ensure there was nothing important on them & format. Didn't get a chance to health check (or format for that matter).

When they were attached, explorer.exe started to crash. File explorer windows would go "not responding" and then explorer.exe would fully crash - no taskbar, no start etc.

Anyway, a forced removal of the driver & either a reboot or restart of explorer.exe via task manager appeared to get everything up & running again as expected.

Unfortunately, I have had a couple of explorer.exe crashes since (with no external drive attached).

Most of these drives did have OS's on them, which I'm starting to think has been the cause.

The one drive I did manage to attempt to format failed & disk management then showed the drive as RAW.

Everything was working just fine until I attached the drives, but it appears to have caused some (relatively minor) lasting issues. I've just moved to the new case, so ensured temperatures were not the problem, and all components are fine.

So, I guess my question is: Is there anything I can do to avoid having to complete a clean install of my OS to fix the issue? I don't mind performing a clean install, I don't store too much on my SSD - really just the OS & updates, but if I can avoid it, even better!
 
Solution
If you have the install disk or USB drive:

1.Connect the installation media you created to your nonfunctional PC, and then turn it on.

2. On the initial setup screen, enter your language and other preferences, and then select Next. If you're not seeing the setup screen, your PC might not be set up to boot from a drive. Check your PC manufacturer's website for info on how to change your PC's boot order, and then try again.

3. Select Repair your computer.

4. On the Choose an option screen, select Troubleshoot. From there, you can:
Restore from a system restore point by selecting Advanced options > System Restore. This will remove recently installed apps, drivers, and updates that might be causing your PC problems. Restoring from a...

Unkk

Distinguished
Apr 20, 2012
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If you have the install disk or USB drive:

1.Connect the installation media you created to your nonfunctional PC, and then turn it on.

2. On the initial setup screen, enter your language and other preferences, and then select Next. If you're not seeing the setup screen, your PC might not be set up to boot from a drive. Check your PC manufacturer's website for info on how to change your PC's boot order, and then try again.

3. Select Repair your computer.

4. On the Choose an option screen, select Troubleshoot. From there, you can:
Restore from a system restore point by selecting Advanced options > System Restore. This will remove recently installed apps, drivers, and updates that might be causing your PC problems. Restoring from a restore point won’t affect your personal files.

Select Reset this PC to reinstall Windows 10. This will remove apps and drivers you installed and changes you made to settings, but lets you choose to keep or remove your personal files.

 
Solution
Barty1884,

I had had a couple of strange problems with Windows Explorer. I had Sketchup models that, if I had ever opened them from the external drive, Windows Explorer would crash.

This was so serious I though I had some horrible malware. The cure took awhile to discover but was quite easy. It was a driver conflict with the plug in that opens Sketchup previews. If your sitaution is the same as mine, go to Control Panel > Folder Options and first try by giving a Check to:

1. Display file icon on thumbnails
2. Launch folder windows in a separate process
3. Show Preview handlers in a preview pane

No guarantees, but that will at least eliminate the preview processing as the problem.

Then, you might install the free version of EaseUs Partition Master. Attach each individual drive and in succession:

1. Format

2. Select the entire drive and Add Partition to allocate the space

Remember after setting tasks to press "Apply"

3. Set Partition as Logical. If you have drives with an OS in an active partition this could be the problem. It's possible to have one active partition on every drive, but I only have one active partition on a system.

Also check your boot sequence in BIOS. If USB is first on the list, then it may be even more important to have only one active partition.

Cheers,

BambiBoom

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Barty1884

Retired Moderator
Thanks Unkk. I know how to 'refresh' or reinstall the OS so that won't be a problem. Wasn't sure if there was a 'quick fix' within the OS - or if attaching HDD's with OS's installed would even be the route cause?

Just so we're clear (maybe I didn't explain properly), the crash of explorer.exe is rare - still trying to see if I can determine if it happens at a certain time. I certainly wouldn't classify the setup as "nonfunctional".
 

Barty1884

Retired Moderator
Ok, so I had the afternoon off work yesterday and while I was working on another setup, I attached the USB and performed a clean install. Problem solved. Not sure how healthy performing clean installs on an SSD is, but I've probably done it 6 times in a year now. Created a restore point this time around.

I don't think I had a similar issue BambiBoom, but thanks for the detailed walkthrough.