Help improving performance of my computer

pennyshahin_2

Hi think that I'm getting somewhere now here's what I've done so far
Yes HKCU:Run Sidebar C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
No HKCU:Run StartCCC C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe
Yes HKCU:Run 捁牥吠畯r
No HKCU:Run 捁牥吠畯⁲敒業摮牥 㩃䅜散屲捁牥潔牵剜浥湩敤⹲硥e
No HKCU:Run ISUSPM Startup "C:\Program Files\Common Files\InstallShield\UpdateService\ISUSPM.exe" -startup
No HKCU:Run EPSON Stylus DX4000 Series C:\Windows\system32\spool\DRIVERS\W32X86\3\E_FATIBEE.EXE /FU "C:\Users\mike.dev\AppData\Local\Temp\E_SACD7.tmp" /EF "HKCU"
No HKCU:Run Messenger (Yahoo!) "C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe" -quiet
No HKCU:Run Search Protection C:\Program Files\Yahoo!\Search Protection\SearchProtection.exe
No HKCU:Run YSearchProtection C:\Program Files\Yahoo!\Search Protection\SearchProtection.exe
No HKCU:Run FileHippo.com "C:\Program Files\FileHippo.com\UpdateChecker.exe" /background
Yes HKLM:Run Windows Defender %ProgramFiles%\Windows Defender\MSASCui.exe -hide
No HKLM:Run SynTPEnh C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
No HKLM:Run eDataSecurity Loader C:\Acer\Empowering Technology\eDataSecurity\eDSloader.exe
No HKLM:Run PCMService "C:\Program Files\Acer\Acer Arcade\PCMService.exe"
Yes HKLM:Run Acer Tour
Yes HKLM:Run SetPanel
No HKLM:Run LManager C:\PROGRA~1\LAUNCH~1\QtZgAcer.EXE
No HKLM:Run WarReg_PopUp C:\Acer\WR_PopUp\WarReg_PopUp.exe
Yes HKLM:Run eRecoveryService
No HKLM:Run Acer Tour Reminder C:\Acer\AcerTour\Reminder.exe
No HKLM:Run YSearchProtection "C:\Program Files\Yahoo!\Search Protection\SearchProtection.exe"
No HKLM:Run Adobe Reader Speed Launcher "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
No HKLM:Run Adobe ARM "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
Yes HKLM:Run avast5 "C:\Program Files\Alwil Software\Avast5\avastUI.exe" /nogui
No HKLM:Run SunJavaUpdateSched "C:\Program Files\Common Files\Java\Java Update\jusched.exe"
No Startup Common Empowering Technology Launcher.lnk C:\Acer\Empowering Technology\eAPLauncher.exe

Trying to update windows defender but failed comes up any ideas.
and also in security centre where it says other security settings is says o.k is that alright or should it say "on" or something

closed

disable defender

pennyshahin_2

Is it alright to disable defender ?