Welcome to the board jaypars, but a little more information would be helpful.
When did this problem start, after a new install, configuration change or crash?
If it just began in the last few days you can try restoring a previous registry. To do this, press and hold the ctrl key as soon as the computer begins booting. From the Boot Menu that appears select "command prompt" option. At the c:\> prompt enter:
Use the arrow keys to select a started registry from one of the 4 you see which predates the problem.
If this does not work, see the Startup Troubleshooter below and follow the troubleshooting suggestions for "Windows starts in Safe mode"
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