Few Quick Fixes

1)      If Customer is not able to Print From Word Perfect Than Use:  http://www.corel.com/servlet/Satellite/us/en/Content/1153321224268?pid=1208716795352
Use this option (WP11SP1DWPPP.msp (12.8 MB)
2)      Cannot Print From Quick Books Please Use This Link : http://news.sequimpc.com/software/intuit-quickbooks-20072008-not-printing-reports-or-invoices/
3)      For Any Printer Issue Uninstall And Reinstall The Printer Driver (If Not Than Disable The Firewall // Or Create A new User Account).
4)      PC RESTORE LINK FOR XP ONLY (http://tech.atjolie.com/ )
5)      If Windows Xp Takes a long Time To Start And Shutdown (http://www.microsoft.com/downloads/details.aspx?familyid=1B286E6D-8912-4E18-B570-42470E2F3582&displaylang=en)
6)      For Windows Installer Not Working In XP : Click Start, click Run, type msiexec /regserver in the Open box, and then click OK .
7)      If You Get Any Regitry Related Error (i.e c:\windows\system32\config; c:\windows\system32\sam; c:\windows\system32\security; c:\windows\system32\default) Than Follow This Article  : http://support.microsoft.com/kb/307545/ .. if you can if not than Do Parallel Installation .
8)      If You Get Blue Screen Like ( Stop 0x000000ed Or Stop 0x00000024) Than Run This Command at Recovery Console: That is chkdsk /r and fixboot
9)      VISTA PCRESTORE THROUGH DVD (http://dsn.us.dell.com/DSNCR/DSNGateway?target=GetDocument&objectID=298A2E89689E13C2E040A68F5B280AA4&languageCode=EN&regionGuid=0A9703D53B424698BDD8630DFAB43D50&open=1
10)     Unable to delete the mail from Outbox (windows mail ): http://support.microsoft.com/kb/941090
11)     Also Try SystemRestore if the computer was working few days ago If Startup Issues Do Msconfig .