Solution to Problem: After upgrading from Vista to Windows 7, cannot open some applications and system will not shut down

After upgrading from Vista to Windows 7, cannot open some applications and system will not shut down

I Have recently upgraded to Windows 7 from Vista as I bought my laptop about October last year and
received a free upgrade.It worked ok for 2 days.
Now I cannot open Internet explorer or windows explorer.
Applications crash and cannot be closed down in Task Manager.Windows will not Log off or shut down.
This is worse than the early days of Vista.
This has effectively ruined my laptop.I tried to log on to Microsoft for technical help
but my product key was rejected and I was asked to pay £46.00.....and I cannot download a compatible version of Internet explorer
*original title - Windows 7 upgrade has ruined my laptop*

Anwsers to the Problem After upgrading from Vista to Windows 7, cannot open some applications and system will not shut down

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I Have recently upgraded to Windows 7 from Vista as I bought my laptop about October last year and
received a free upgrade.It worked ok for 2 days.
Now I cannot open Internet explorer or windows explorer.
Applications crash and cannot be closed down in Task Manager.Windows will not Log off or shut down.
This is worse than the early days of Vista.
This has effectively ruined my laptop.I tried to log on to Microsoft for technical help
but my product key was rejected and I was asked to pay £46.00.....and I cannot download a compatible version of Internet explorer

Then presumably as the laptop is still under warranty, and the upgrade was supplied by the Vendor, then get THEM to sort it out, under warranty.
I upgraded my Toshiba Satellite (2 years old) from Vista to Win 7 with no problems at all.....mind you that WAS a clean install...

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Tweak IE Options

• Open Internet Explorer.
• Go to "Tools > Internet Options > Advanced Tab".
• Uncheck "Enable third-party browser extensions".
• Click "Apply".
  
• Reboot your computer.

Another Safe way to Repair the Problem: After upgrading from Vista to Windows 7, cannot open some applications and system will not shut down:

How to Fix After upgrading from Vista to Windows 7, cannot open some applications and system will not shut down with SmartPCFixer?

1. Download Error Fixer . Install it on your computer.  Click Scan, and it will perform a scan for your computer. The errors will be shown in the scan result.

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