Looking For good optimizing software, for all windows OS's

I believe in freeware and portable applications, being me running from place to place, fixing computers with nothing but a flash with well above 100 apps, a Windows LivePE, and an external to back up data if needed. I know many useful tools already in windows that can speed up your computer, and to fix quick problems. Lately, as some of my apps become a bit outdated, i've been looking for new apps that may have not been recommended to me for Optimization, any helpfull apps would be appreciated :)

also, it doesn't have to be only about optimization, if there's any apps you frequently use, then tell me :)

Just remember, free and portable :)

--edit, some antivirus i dont know about would be nice :)

thanks, forgot all about mouse hover tome and menu show delay :)

Windows doesn't require third-party 'optimization' programs, Windows 7 is much more effective at managing system resources than previous operating systems. The thread which has already been posted is the best and safest option.

my usb has memtest86 just in case :)

What im more looking for-- sorry i wasnt clear -- is some good software that removes unwanted programs, data, things taking up space, etc. I have a few main programs I use but just seeing if i can find some extra programs to use. Plus, anyone know any good antivirus where you can choose witch drive to scan, (thats also portable)?

AV Protection -

• Good and Free system security combination.

Revo is the best program for removing unwanted programs from your system.

Lots of good portable programs - https://www.sevenforums.com/system-security/

Thanks, i'll look at these later tommorow, I'll stick with memtest86 untill the new one is NOT a beta :)