Try going to run,type:services.msc Scroll down to installer,double click on
it,set to auto from the manual setting its now in,then start service.To
reinstall,
go to run,type:cmd In cmd type:Sfc /Scannow When the bar graph starts,
install xp cd,exit the info page.When the graph is thru,type:CHKDSK C: /F
Agree to restart,then type:EXIT Restart computer,remove cd,also,run the
DOS window in min.,sometimes the graph runs behind it.