There are many reasons for Internet Explorer crashes or hangs. Following are common errors:
=> Internet Explorer has stopped responding…
=> Internet Explorer has stopped working…
=> Internet Explorer is restarting…
First scan your computer for computer for malicious software / malware , viruses or spyware. They can cause lots of damage. Run your anti virus and anti-malware software to scan computer.
Next always update your Windows to latest version and apply all patches.
Finally remove / disable all IE addons.
a) Click on Start > Start Search.
b) Type Inetcpl.cpl, and then press ENTER.
c) Select Advanced tab, and then click Reset.
This will reset all settings and disable add-ons. Now start Internet explore again.