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Unexplained slowdown





Tony The Tiger
What could have caused my system to slow down about 40-50%. I backed up my hard drive and external before I left for vacation. This took abou55 minutes. When I returned.I had added about 500MB of files to my 40GB hard Drive that had been about 80% full. I made no changes to my external that had about 10GB of data on it. A few hours before I left for my trip, the backup of my internal and external hard drives took about 58 minutes. Upon my return it took about 1:50. What could have caused this?
Clash
Tony The Tiger wrote:
What could have caused my system to slow down about 40-50%. I backed up my hard drive and external before I left for vacation. This took abou55 minutes. When I returned.I had added about 500MB of files to my 40GB hard Drive that had been about 80% full. I made no changes to my external that had about 10GB of data on it. A few hours before I left for my trip, the backup of my internal and external hard drives took about 58 minutes. Upon my return it took about 1:50. What could have caused this?
Did the machine remain on while you were away? Was it connected to the internet?

The answers to those two questions will certainly point in us at the solution.
Tony The Tiger
For the last 4 nights of my trip I stayed at 2 different Hampton Inns. Hampton Inns have in room wifi connectivity. I usually turned my computer on, connected to the internet and just left it on when I left the room.
Clash
Have you done a search on your hard disk for files created in the last 4 days or whatever dates that this occurred? It's the simplest way to narrow down the cause of the problem.

Obviously with the size involved, it's either an awful lot of files or a small number of very big ones.

Pretty soon through your search you should have a very good idea as to where the problem lies.

The next thing after that is to make sure that there is nothing in your Windows or Windows\System32 folder that was created in that timeframe.

After that we'll look for AD Streams
Tony The Tiger
Clash wrote:
Have you done a search on your hard disk for files created in the last 4 days or whatever dates that this occurred? It's the simplest way to narrow down the cause of the problem.


I use the unnecessary files removal in Easy Cleaner 2.0. I will try again tonight after removing temp files and such.

Clash wrote:
The next thing after that is to make sure that there is nothing in your Windows or Windows\System32 folder that was created in that timeframe.


Will Easy Cleaner take care of this for me?

Clash wrote:
After that we'll look for AD Streams


??
Clash
EasyCleaner will not help. What I'm suspicious about is malware of some sort or other. The best thing is to get your hands dirty and look at the files. Pretty soon you'll know if something is in there. If you don't know what it is, you want know how to weed it out completely.

Temp files and temporary internet files can only get so large, TIE are set to a %age of your hard disk space, so that wouldn't be the case here.

ADS (Alternate Data Streams) are trojans that sit in jpg files and add large chunks to them without notifying explorer. A/V won't spot them, and they can really add huge chunks to a file.

Hijack THis contains an ADS scanner.
Tony The Tiger
I conducted several tests yesterday and today to help isolate the problem. See the following spreadsheet: http://www.tonythetiger.frih.net/Backup%20Storage%20Times.xls

You can see that when I back up only my internal hard drive the times are a fairly consistent extrapolation (lines 35 vs 43) of my post new motherboard and processor times. However, comparing backing up my full system of both my internal and external drives (lines 39 vs. 40-42) something has happened. It seems that since I got back from FL, the old external HD does not speak to the new external HD as efficiently.

This is a relief in one sense because I was worried that the Hampton inn had some sort of hardware scam going on. However, what happened to my old external HD while I was away? Any thoughts?

"Have nunchucks. Will travel."-JCoC
boysrule
Just reformat the hard disk if there isn't any important files.. Online 24 hours without closing your PC have nothing to do with slowing down your PC. Either your hard disk is a bit too large or your computer is infected by tons of spyware and stuff.. Try ad-aware (Lavasoft) get it from www.download.com - i'm using it to remove any uninvited *Guest* in my pc.. Reformat is still the best choice~
Tony The Tiger
boysrule wrote:
Just reformat the hard disk if there isn't any important files.. Online 24 hours without closing your PC have nothing to do with slowing down your PC. Either your hard disk is a bit too large or your computer is infected by tons of spyware and stuff.. Try ad-aware (Lavasoft) get it from www.download.com - i'm using it to remove any uninvited *Guest* in my pc.. Reformat is still the best choice~


I think you missed the point. The problem is my external hard drive performing slowly if it is plugged in 24/7.
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