Bsod Caused By Ac3.sys
Windows 8.1 x64 (All updates)
Intel i7-4770k
32GB RAM
OS on SSD
Hyper-V also installed
Minidump available.
1GB Memory dump available
Looking through the dump, it happened when I was closing a chrome tab:
STACK_TEXT:
ffffd000`21bda558 fffff802`0bdf2b0f : 00000000`00000050 ffffb000`22ef0e1e 00000000`00000001 ffffd000`21bda740 : nt!KeBugCheckEx
ffffd000`21bda560 fffff802`0bcb95ad : 00000000`00000001 ffffe000`04a6b880 ffffd000`21bda740 00000000`00f8000e : nt! ?? ::FNODOBFM::`string'+0x1797f
ffffd000`21bda600 fffff802`0bdd4f2f : 00000000`00000001 00000000`00000120 00000000`00000400 ffffd000`21bda740 : nt!MmAccessFault+0x7ed
ffffd000`21bda740 fffff800`0066cfa5 : ffffd000`21bdaa00 00000000`0000000f ffffd000`21bda900 00000000`00000000 : nt!KiPageFault+0x12f
ffffd000`21bda8d0 fffff800`006490cf : ffffd000`23a2d4a8 ffffd000`23a2d4b8 ffffd000`23a2021e fffff800`0067ca50 : avc3!UcAddUrlEntry+0x2c435
ffffd000`21bdaae0 fffff800`0062b01e : ffffd000`23a2d3a0 fffff800`0065cc26 ffffe000`0128f220 fffff800`0066e1f6 : avc3!UcAddUrlEntry+0x855f
ffffd000`21bdab20 fffff800`0066e785 : ffffd000`23a2d3a0 00000000`00000000 ffffe000`04e0fb20 fffff802`00000000 : avc3!SetAvckfStopRoutine+0x1e92e
ffffd000`21bdab70 fffff802`0bd0a2e4 : ffffe000`0128f220 ffffe000`04e0fb20 ffffe000`04a6b880 ffffe000`04a6b880 : avc3!UcAddUrlEntry+0x2dc15
ffffd000`21bdac00 fffff802`0bdd12c6 : ffffd000`211ca180 ffffe000`04a6b880 ffffd000`211d6340 00000000`00000000 : nt!PspSystemThreadStartup+0x58
ffffd000`21bdac60 00000000`00000000 : ffffd000`21bdb000 ffffd000`21bd5000 00000000`00000000 00000000`00000000 : nt!KiStartSystemThread+0x16
1: kd> lmv m avc3
start end module name
fffff800`00600000 fffff800`006b3000 avc3 (export symbols) avc3.sys
Loaded symbol image file: avc3.sys
Image path: \SystemRoot\system32\DRIVERS\avc3.sys
Image name: avc3.sys
Timestamp: Thu Apr 11 09:31:58 2013 (516674FE)
CheckSum: 000AF8D1
ImageSize: 000B3000
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
I did notice this thread from February 15th saying it'll be fixed in the next update 
- http://www.wilderssecurity.com/showthread....408&page=45
Comments
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Windows 8.1 x64 (All updates)
Intel i7-4770k
32GB RAM
OS on SSD
Hyper-V also installed
Minidump available.
1GB Memory dump available
Looking through the dump, it happened when I was closing a chrome tab:
STACK_TEXT:
ffffd000`21bda558 fffff802`0bdf2b0f : 00000000`00000050 ffffb000`22ef0e1e 00000000`00000001 ffffd000`21bda740 : nt!KeBugCheckEx
ffffd000`21bda560 fffff802`0bcb95ad : 00000000`00000001 ffffe000`04a6b880 ffffd000`21bda740 00000000`00f8000e : nt! ?? ::FNODOBFM::`string'+0x1797f
ffffd000`21bda600 fffff802`0bdd4f2f : 00000000`00000001 00000000`00000120 00000000`00000400 ffffd000`21bda740 : nt!MmAccessFault+0x7ed
ffffd000`21bda740 fffff800`0066cfa5 : ffffd000`21bdaa00 00000000`0000000f ffffd000`21bda900 00000000`00000000 : nt!KiPageFault+0x12f
ffffd000`21bda8d0 fffff800`006490cf : ffffd000`23a2d4a8 ffffd000`23a2d4b8 ffffd000`23a2021e fffff800`0067ca50 : avc3!UcAddUrlEntry+0x2c435
ffffd000`21bdaae0 fffff800`0062b01e : ffffd000`23a2d3a0 fffff800`0065cc26 ffffe000`0128f220 fffff800`0066e1f6 : avc3!UcAddUrlEntry+0x855f
ffffd000`21bdab20 fffff800`0066e785 : ffffd000`23a2d3a0 00000000`00000000 ffffe000`04e0fb20 fffff802`00000000 : avc3!SetAvckfStopRoutine+0x1e92e
ffffd000`21bdab70 fffff802`0bd0a2e4 : ffffe000`0128f220 ffffe000`04e0fb20 ffffe000`04a6b880 ffffe000`04a6b880 : avc3!UcAddUrlEntry+0x2dc15
ffffd000`21bdac00 fffff802`0bdd12c6 : ffffd000`211ca180 ffffe000`04a6b880 ffffd000`211d6340 00000000`00000000 : nt!PspSystemThreadStartup+0x58
ffffd000`21bdac60 00000000`00000000 : ffffd000`21bdb000 ffffd000`21bd5000 00000000`00000000 00000000`00000000 : nt!KiStartSystemThread+0x16
1: kd> lmv m avc3
start end module name
fffff800`00600000 fffff800`006b3000 avc3 (export symbols) avc3.sys
Loaded symbol image file: avc3.sys
Image path: \SystemRoot\system32\DRIVERS\avc3.sys
Image name: avc3.sys
Timestamp: Thu Apr 11 09:31:58 2013 (516674FE)
CheckSum: 000AF8D1
ImageSize: 000B3000
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
I did notice this thread from February 15th saying it'll be fixed in the next update - http://www.wilderssecurity.com/showthread....408&page=45
OS - W7-SP1 x64
BD AV Free 1.0.21.1099
Two instances of avc3.sys
1. C:\Program Files\Bitdefender\Antivirus Free Edition\
2. C:\Windows\Sys32\Drivers\
File Creation Date: 5-14-13 12:42:34 PM
File Version: 3.10.7522.4359
Digital Signature: Bitdefender SRL
Signing Time (Time Stamp): 4-17-13 3:59:55 PM
Size: 718,840
Size: on Disk 720,896
Time stamps appear to be different. You might want to try an uninstall/repair using Windows Applications Uninstall feature0
