I've noticed that my laptop's performance has been getting gradually worse and I would greatly appreciate some input as to what course of action to take.
OS: Windows 7 SP1 64bit
CPU: Intel Core i7 3615QM @ 2.30GHz running at ~ 73 °C
RAM: 8.00GB Dual-Channel DDR3 @ 798MHz
GPU: 2048MB GeForce GT 650M running at ~ 54 °C
In the first year of it's life my laptop used to boot up in ~12 seconds but of late, since I stopped using Sandboxie, it's been taking longer and longer. Now it's taking upwards of 5 minutes and during start-up the fans start going fast and the keyboard gets hot to the touch.
After it starts up, my computer has to work far harder than necessary to do what used to be simple tasks in Photoshop. During these times my computer's fans start going quite fast and it gets to the point where the keyboard is hot to the touch.
I checked my start-up in CCleaner and there didn't appear to be suspicious entries, however MSE, Malware Byters and Spypot S&D were disabled on start-up, which is not something I would have done. I went to check MSE and in the tray it said I was unprotected but when I moused over to open it up, it immediately switched to say I was up-to-date.
After running that, I ran Malware Bytes and Spybot S&D which turns out they hadn't been updated in quite some time, all that was found were some tracking cookies. I then downloaded renamed versions of Rkill and tdsskiller, ran them as administrator in Safe Mode. Rkill found 0 threats but it took quite a bit of time on the last step. Tdsskiller found nothing.
While in Safe Mode I noticed my computer started up significantly faster than usual.
I've searched around and a common solution would probably be to just reinstall Windows but I'd prefer not to do that at this point in time as I need my computer daily for work. If more information or details are needed, I'm more than happy to provide them!