remove useless startup programs, use readyboost/or extend ram, defragment install drive, check for spyware or viruses, tweek services and finally check out some Win7 optimization guides.
1) Turn off Superfetch in services and set a fixed page file size (4096 megs, no more, no less. 4 gigs is the magic number no matter how much ram you have) 2) Get more RAM 3) If you really want speed, get an SSD
There is not such thing as booster application. Just check that you donĀ“t have viruses, check msconfig and get a better hardware in the badest case. Aspire one [1.6Ghz Atom Processor, 1.5GB Ram, 5400 HardDisk took 40~45 from turn on to fully loaded...]