Windows Vista Explorer Crashes Or Freezes Frequently.

If your Explorer.exe crashes / restarts frequently, and / or if you get the message:
Windows Explorer has stopped working
Windows Explorer is restarting
Here are some troubleshooting steps you may want to try. Quite possibly its one of your installed programs which may be interfering with the smooth functioning of explorer.exe. You may have to try them all. Hopefully one should help you. If an option doesn't help you, don't forget to restore it back to its default, where applicable & possible.


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Windows Vista Explorer Crashes Or Freezes Frequently.
If your Explorer.exe crashes / restarts frequently, and / or if you get the message:
Windows Explorer has stopped working
Windows Explorer is restarting
Here are some troubleshooting steps you may want to try. Quite possibly its one of your installed programs which may be interfering with the smooth functioning of explorer.exe. You may have to try them all. Hopefully one should help you. If an option doesn't help you, don't forget to restore it back to its default, where applicable & possible.
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1) First and foremost ensure that your Vista is updated and scan your computer for virus and spyware. Follow it up with a Registry Cleaner run. CCleaner is a safe and good freeware.

2) Run ChkDsk.

3) See if you a System Restore makes the problem go away.

4) Disable the Preview Pane in Explorer and see if it helps. To disable the Preview Pane, click Organize > Layout > Preview Pane.

5) Disable UAC and see if it helps.

6) Disable DEP or NoExecute Protection. Do note that Data Execution Prevention (DEP) is a security feature that can help prevent damage to your computer from viruses and other security threats. Harmful programs can try to attack Windows by attempting to run (also known as execute) code from system memory locations reserved for Windows and other authorized programs. These types of attacks can harm your programs and files. DEP can help protect your computer by monitoring your programs to make sure that they use system memory safely. If DEP notices a program on your computer using memory incorrectly, it closes the program and notifies you. It is as such a security feature. Type cmd in Vista's search bar. Rt click on search results 'cmd' and click on Run as Administrator. Then copy paste
bcdedit.exe /set {current} nx AlwaysOff
and hit enter. Reboot. This has been known to help in some earlier versions of Vista.

7) Open Explorer. Click Organize > Folder & Search Options > View > Advanced Settings > check 'Launch folder windows in a separate process' > Apply > OK.

8) Check if you have installed any helpers or add-ons to your explorer. Uninstall them. Often, even 3rd party shell extensions can cause Explorer to crash on particular actions. Several programs add items to the right click context menu. Download freeware utility ShellExView.

It will let you view & disable suspect 3rd party shell extensions. Using Trial & Error method, you may to disable / enable the extensions to try and identify if any of them are causing a problem. ShellExView can be also be used for solving contextmenu problems in Explorer, like, say, if the Right-click is slow.
9) Type wercon in your Start Menu Search bar and hit enter to open the Problem Reports & Solutions Center. In RHS panel click on View Problem History and navigate to where the problems for Explorer.exe may be mentioned. Double click on the report to open it and see if anything there helps you.
Also see if KB930092 and KB931702 pertaining to Vista Explorer crashes apply to you. You may also wish to open a Support Request at Microsoft.