Windows XP may default to Safe Mode at every startup. Even if you select the option Start Windows Normally, it still boots into Safe Mode
This happens if the /safeboot switch is added in the Boot.ini file. /Safeboot parameter forces a start in safe mode by using the specified parameters. The available parameters are:

minimal

network

safeboot:minimal(alternateshell)


RESOLUTION

Click Start, Run and type MSCONFIG

Select the Boot.ini tab

If you have dual-boot setup, select the appropriate entry under [operating systems]

In the Boot Options section at the bottom, uncheck /SAFEBOOT option
Click OK

Restart Windows

The /safeboot entry will now be removed from the Boot.ini file.