Hi trueshowstoppa,
Thank you for choosing Windows Vista Answers Forum.
Did you try to boot in Safe mode?
If not tried, then try to boot in Safe mode and check by following the link:
http://windows.microsoft.com/en-US/windows-vista/Start-your-computer-in-safe-mode
Step 1: You may have to try a Startup repair booting from the Vista disc to resolve the issue.
If you have a Windows Vista installation disc, you need to restart your computer using the installation disc and follow the steps to do Startup repair:
1. Insert the installation disc.
2. Restartyour computer.
3. Click the Start button, click the arrow next to the Lock button, and then click Restart. If prompted, press any key to start Windows from the installation disc.
Note: If your computer is not configured to start from a CD or DVD, check the information that came with your computer. You may need to change your computer's BIOS settings. For more information, see BIOS: frequently asked questions.
4. Choose your language settings, and then click Next.
5. Click Repair your computer.
6. Select the operating system you want to repair, and then click Next.
7. On the System Recovery Options menu, click Startup Repair. Startup Repair might prompt you to make choices as it tries to fix the problem, and if necessary, it might restart your computer as it makes repairs.
Step 2: If Start up Repair doesn’t work, then you may try a System restore following the above mentioned steps to choose System restore from the System Recovery Options menu.
For more information you may refer the following links:
Startup repair:
http://windows.microsoft.com/en-us/windows-vista/Startup-Repair-frequently-asked-questions
Hope this information is useful.
Praseetha K
Microsoft Answers Support Engineer
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