Using SONY vaio core i3 2.40GHz processor 2GB RAM 300GB HDD laptop for last 2years. Didnt partitioned the disk, have all in C:/ drive. Installed no big application. Installed Adobe Reader, Adobe Photoshop Elements, MS Office etc. Sometime back installed few HP software testing tools and later uninstalled them. Had Mcafee AV, uninstalled it and now have Avast, both didnt show any virus/trojen while scans. Stopped or changed to Manual most services. Even tried CCleaner. As of now just use to browse internet with firefox. system begin to slow down, take lot time to load windows7 on startup. Firefox itself frequently prompts for a reset of the browser due to slowdown. windows disk cleanup show a cleanup of gb of cache memory dumps but for only next startup system is fast as it was initially. After some hours of net usage, system again slows down. ...reset & cleanup and again the same in routine. what could be the reason? eating 100s of mbs of data while on internet within a hour, even when just check few email accounts and news portals.
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