Regarding the BSOD, the suggestions made on BleepingComputer haven't solved the problem, and I guess it's beginning to look like a hardware error causing these. The caveat here is that one suggestion was to update a storage driver - nvstor32.sys - but I haven't been able to find a more up to date version than the one I already have.
Hi JL3008:
Sorry, I'm not sure if there's a problem with the e-mail notification system but I was browsing through the forum today and just realized you posted back in this thread a few days ago.
I've been following your thread Occasional BSOD in Vista in bleepingcomputer and two of the drivers in the stack trace for your BSODs were the NVIDIA driver nvstor32.sys and your Norton BASH (Behavior Analysis and System Heuristics) driver BHDrvx86.sys. After you uninstalled Norton from Control Panel | Programs | Programs and Features and re-booted did you run the **Norton Removal Tool** as bwv848 suggested to ensure you wiped any orphaned files and registry entries left behind by the uninstall wizard? You only said you "deinstalled" Norton.
In post # 10 of that thread bwv848 stated "Your NVIDIA drivers are still being mentioned in the "raw stac.k".Did you really update them?" and you replied "I couldn't find a more recent version of nvstor32, sodeinstalled and reinstalled the same version" .
If you go back to my 31-Jan-2017 post <here> in this thread your NVIDIA drivers were one of the red flags I raised about your Speccy profile (http://speccy.piriform.com/results/Av0os0jP0zjidReGZrUoCqp): "You appear to have several outdated hardware drivers. For example, the driver for yourGeForce GT610 graphics card is listed as v10.18.13.5850 (a.k.a v358.50, released in April 2012) but according to http://www.geforce.com/drivers, the latest available driver for 32-bit Vista SP2 isv365.19 from May 2016."
Did you open your NVIDIA Control Panel (probably something similar to Control Panel | Hardware and Sound | NVIDIA Control Panel | Help | Updates) to check your current driver version and see if Check for Updates... can find a newer driver?
32-bit Vista Home Premium SP2 * Firefox ESR v52.0.1 * NIS v22.9.1.12 * MBAM Premium v2.2.1
HP Pavilion dv6835ca, Intel Core2Duo T5550 @ 1.83 GHz, 3 GB RAM, NVIDIA GeForce 8400M GS