Error : Potential Error found in the system

Bonjour a tous! J'ai un problème avec mon PC ces messages s'affichent quand je suis sur le bureau et quand je joue a des jeux:

Windows Script Host
Impossible de trouver le fichier script"C:\Program Files\del.js"

et celui la aussi

Important-Potential Error found in the system
During a scan of files at system start up, potential errors in he system registry were found.
p-07-0100 irql:1f SYSVER 0xfff00024
NT-kernel error 1256
KMODE_EXCEPTION_NOT_HANDLED.

celui ci aussi

System Warning
Windows performed illegal operation. Your system files could have critical errors. It could cause unpredictable or erratic behavior, freezes and erashes. Fixing these errors can increase your computer's performance and prevent data your personal data loss

Would you like to open System Troubleshooting center to fix the problem? (Recommended)

ainsi que lui

Your computermight be atrisk
-Unwanted and unused files/folders appear in system folders
-Latest software updatesnot installed
-Incorrect files association
-System files and damaged and maybe corrupted
Click OK to fix system errors and boost overall system performance

et lui

Your system could become unstable
A potential problemhas been detected and Windows has been shut down buggy application to prevent damage to your computer.
****WXYZ.SYS-Address F733120AE base at C00000, DateStampe 36b072A3
Kernel Bebugger Using: COM2 (Port 0x28f, Baud rate 192000)



Que faire?
J'attend toutes vos réponses MERCI BEAUCOUP.