How to Recover Deleted Files in Windows For Free? Check this video
To manually start Windows XP with a clean boot, follow these steps:
Step 1: Start the System Configuration Utility
Click Start, click Run, type msconfig, and then click OK. The System Configuration Utility dialog box is displayed.
Step 2: Configure selective startup options
In the System Configuration Utility dialog box, click the General tab, and then click Selective Startup. Click to clear the Process SYSTEM.INI File check box. Click to clear the Process WIN.INI File check box. Click to clear the Load Startup