RUN Scandisk to correct errors.
Step 1 : Download
DiskSweeper Free2 from http://www.cravewordlwide.com
Select in the menu all and check 0 byte files/ ignore system and hidden files.
I use this program twice a week.
Step2:
Start My computer Properties
Disk cleanup More options
Delete all old System Restore files
. Step3 :
Download Advanced Windows Care personal from http://www.iobit.com
Use all programs. One click operation.
Step4 :Download Wise Registry Cleaner from
http://www.wisecleaner.com
Delete green checked Registry entries.
All above programs safe .
Step 5 : check free space now.disk
Advanced : Check
C:/windows total disk space used should be around2GB
to 3 GB. /Remove all xp Update uninstall files
( may be hidden)