[resolved] avast has royally screwed my computer. i need help.

[multiple_lobsters]

Here you go.

[essexboy]

From that I assume you are back in

All Avast is picking up there is McAfee

No indication of a TDL4

How is the computer behaving ?

[multiple_lobsters]

Relatively fine, save for that it can't boot normally. Everything works in safe mode, and I have managed to get internet.

When I start the computer after it was completely turned off, it attempts to boot in normal mode, but when the login screen loads, it is blocky as one would find in safe mode. That's the only abnormality I can see.

[ady4um]

Again, sorry for the interruption. Essexboy is probably going to be back tomorrow.

In the meantime...

If there are remnants of some old tool (McAfee?), that's part of the problem (independently of some other possible issue, malware or whatever else).

So, you should still run the removal utility for avast (even if no folder was left). Some other items were left over (services, drivers, registry keys...) when you manually deleted those folders. The same goes to other security tools, like McAfee for example.

Find some specific security removal utilities (according to the security tools you used to have) at http://singularlabs.com/uninstallers/security-software/.

Since you can only boot into Windows Safe Mode, then run the respective removal utilities under that condition, even if the respective info says to run under Normal Mode.

Alternatively, wait for instructions from essexboy tomorrow.

[bob3160]

Since this seems to be the time to but in,
May I suggest that you wait for essexboy. He is the trained expert
and usually has a systematic way of doing things.
Since he's already revived your dead system, I think he's heading in the right direction.   

[essexboy]

Aye remove all of McAfee using the removal tool

Are you able to achieve normal mode albeit with degraded video ?
Or are you stuck at the login screen ?

[multiple_lobsters]

My apologies for taking so long to get back to you all; I had a six million dollar problem that took precedence over my computer.


Anyway, I just used the uninstaller to get rid avast and used the appropriate tool that was provided by ady4um.

Essexboy: I am not able to access anything in normal mode. I boot up the computer, and it gets me to a blocky login screen before promptly restarting.

[ady4um]

Anyway, I just used the uninstaller to get rid avast and used the appropriate tool that was provided by ady4um.

What about getting rid of the remnants of the other security tools essexboy also found? The link I posted should also include the links for that other tool http://singularlabs.com/uninstallers/security-software/.

[essexboy]

OK from safe mode run this programme

Download and Install Combofix
 
Download ComboFix from one of the following locations:
Link 1
Link 2
 
VERY IMPORTANT !!! Save ComboFix.exe to your Desktop
 
* IMPORTANT - Disable your AntiVirus and AntiSpyware applications, usually via a right click on the System Tray icon. They may otherwise interfere with our tools. If you have difficulty properly disabling your protective programs, refer to this link here

• Double click on ComboFix.exe & follow the prompts.
  
• Accept the disclaimer and allow to update if it asks

• When finished, it shall produce a log for you.
• Please include the C:\ComboFix.txt in your next reply.[/b]
  

Notes:
1. Do not mouse-click Combofix's window while it is running. That may cause it to stall.
2. Do not "re-run" Combofix. If you have a problem, reply back for further instructions.
3.  If after the reboot you get errors about programmes being marked for deletion then reboot, that will cure it.



Please make sure you include the combo fix log in your next reply as well as describe how your computer is running now

[multiple_lobsters]

Here is the combofix log.

[essexboy]

Well we are not looking at a malware problem

Do you have any minidumps in the windows/minidumps folder ?

If so could you upload the last two or three to mediafire and post the sharing link

[multiple_lobsters]

These two are the most recent files in the minidump folder; sorry there is nothing more recent.

http://www.mediafire.com/?qozijjbt601fsyl
http://www.mediafire.com/?tjf5f25622asrtx

[essexboy]

From safe mode run an elevated command prompt:

Go Start > All Programs > Accessories
Right click Command Prompt and select Run as Administrator
In the black box type SFC /scannow

ON completion let me know if you can get to normal windows

[multiple_lobsters]

I've done that, and no, I couldn't; the log is too large to attach, so I uploaded it.

http://www.mediafire.com/?8m79mo6qtlgtzrm

It didn't ask me for the disc, but I could run it again with the OS disc in.

[essexboy]

Verify and Repair Transaction completed. All files and registry keys listed in this transaction  have been successfully repaired

Next thing to do is look at the video stuff

Form the safe mode menu select enable low resolution and let me know if you can get to normal mode