by mpmartin » 19. Jan 2016, 23:08
Host is Windows 8
vboxhardening.log attached
antivirus: Norton Security Suite, provided by Comcast, and iobit Advanced System Care, iobit malware fighter - both of which do occasional system scans. I don't think the iobit things do any active process scanning.
Started getting the error "failed to open a session for..." error after updating windows and vbox to VB 5. Was having problems with 4.32(36?), maybe after other windows updates. So I went ahead and upgraded vbox to 5. Installed a huge round of windows updates on 12/21/15, still couldn't run VB. Then Upgraded VB to 5 on 12/22/15. Discovered that I could run VB with detachable start, or with headless start then show. Problem is, when running with detachable start, it runs, but is extremely sluggish. Mouse cursor doesn't track well, pauses, and sounds always play with an annoying stuttered buzzing delay. My host system is AMD 6-core, and has no performance problems with anything else.
I've read some of the posts suggesting that specific windows updates could be at fault. I extracted a list of some 50 to 100 updates I've installed, including 17 on 11/18/15. KB2976978 keeps causing problems, causing all other updates to fail. I thought I solved that problem by hiding that update (as suggested elsewhere), but it keeps coming back, so I keep looking for it now and re-hiding it again.
Any help of what KB, or what else might be the culprit? Here's the list of 17 KBs from 11/18:
KB3054886
KB3085594
KB3085614
KB3054978
KB3101526
KB3085560
KB3101540
KB3101521
KB3101544
KB3101543
KB2965313
KB2999226
KB2817478
KB2878230
KB2791057
KB2837592
KB2553388
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VBoxHardening.zip
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