If it is working now then I would put it down to a "Windows thing".
I would be more concerned with the AV and firewall showing as disabled because that could be a sign of virus or other malware infection. Malware will try to disable your security defenses so that it has free use of and reign over your operating system, (OS).
However, to be clear here, the general advice is as follow;
1] Only one firewall should be installed.
2] Only one anti-virus, (AV), should be installed, automatic updating of virus definitions, automatic, (scheduled), daily scans, and always running in the background.
(Having more than one of each these can cause conflicts and performance issues).
3] More than one anti-malware installed. They don't have to be running in the background as your AV is sufficient to do that. They do not have to 'load at startup', and do not have to automatically update their definitions. Just run either once a week to update the definitions then run a full scan.
You have to understand what security utilities you have installed. Many security utilities are now multi-purpose, eg they include a firewall, an AV, and anti-spyware, so you should know what your security applications are capable of.
In your case you have McAfee, (often a multi-purpose utility), Threatfire, (I have no experience of it), Comodo firewall, (multi-purpose?), Malwarebytes Anti-malware, (MBAM), and Spyware Doctor.
We don't like Spyware Doctor. MBAM is good, but you should review the others to see if there is any duplication.
I hope that helps.
Using an EeePC 1005HA, with XP. I'm the average rather ignorant computer user, so forgive me for not knowing some terms.
I re-installed my antivirus (McAfee 8.7i) the other day, and when I rebooted by laptop the audio was gone (either mp3, video files or youtube videos, but the videos work), and only that. The computer still beeped whenever alerts came up, for example. I have K-Lite Codec Pack that was installed by a technician I went to once, just in case that's important. I tried (and failed) playing files on both VLC and Windows Media Player, and on WMP there was an error message saying "Windows Media Player cannot play the file because there is be a problem with your sound device. There might not be a sound device installed on your computer, it might be in use by another program, or it might not be functioning properly". I tried accessing the volume icon at the blue bar on the bottom of the screen, but I got a message saying "There are no active mixer devices available. To install mixer devices, go to Control Panel, click Printers and other Hardware, and then click Add Hardware". I tried opening some of the files and programs I use frequently, and they seemed to work fine. I called it a day and turned off the PC.
When I turned it on again the next day, though, the audio was back. I was able to play mp3 files and watch youtube videos without problems. What happened? Was it some installation bug?
Just in case this is relevant: this same laptop has frequent errors when it starts up and the programs start loading. Every so often I get a balloon mesage saying my anti-virus is disabled (with the red icon with an X in it) <I>after</i> my anti-virus just loaded - which is why I re-installed it in the first place, which unfortunately didn't improve things. My firewall (Comodo - I just installed the firewall and Defense +) sometimes gets disabled as well. There's a yellow circle with a black mark on the lower right of the icon(icon's on the blue bar on the bottom of the screen. This may be because the laptop hangs a lot and I have no choice but to pull the plug.
Other security programs I have are Comodo Firewall, Spyware Doctor and Malwarebytes, and Threatfire, which I was going to remove.