kernel panic following installation of Avast

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kernel panic following installation of Avast

Post by Marco » Mon Dec 31, 2012 4:07 am

I recently had a few kernel panics. I recall that some time before I installed avast anti-virus. It is possible that its filesystem protection feature conflicts with Zevo.

I have now uninstalled avast. For the savvy, I post some of the panics.

Code: Select all
Interval Since Last Panic Report:  564746 sec
Panics Since Last Report:          1
Anonymous UUID:                    8B12A221-82C8-1ACB-B9FA-DA686A832C4D

Sat Dec 29 17:10:11 2012
panic(cpu 0 caller 0xffffff8009cef942): "vnode_rele_ext: vp 0xffffff802c39d740 usecount -ve : -1.  v_tag = 410, v_type = 1, v_flag = 84800."@/SourceCache/xnu/xnu-2050.20.9/bsd/vfs/vfs_subr.c:1788
Backtrace (CPU 0), Frame : Return Address
0xffffff80fa72b6d0 : 0xffffff8009c1d626
0xffffff80fa72b740 : 0xffffff8009cef942
0xffffff80fa72b780 : 0xffffff7f8bdb425b
0xffffff80fa72b7a0 : 0xffffff7f8bdb4fc2
0xffffff80fa72b9f0 : 0xffffff7f8bdb5eb2
0xffffff80fa72ba30 : 0xffffff8009f3fdb1
0xffffff80fa72ba90 : 0xffffff8009cf4576
0xffffff80fa72bae0 : 0xffffff8009d08221
0xffffff80fa72bb90 : 0xffffff8009cfaa19
0xffffff80fa72bc40 : 0xffffff8009cfb1e4
0xffffff80fa72bf50 : 0xffffff8009fe060a
0xffffff80fa72bfb0 : 0xffffff8009ccdc03
      Kernel Extensions in backtrace:
         com.sophos.kext.sav(8.0.4)[6A452B8C-3D82-4C84-AD03-D877507FA2A8]@0xffffff7f8bdb3000->0xffffff7f8bdb7fff

BSD process name corresponding to current thread: SystemUIServer

Mac OS version:
12C3006

Kernel version:
Darwin Kernel Version 12.2.1: Thu Oct 18 16:32:48 PDT 2012; root:xnu-2050.20.9~2/RELEASE_X86_64
Kernel UUID: 0AFA55FD-872F-3BBE-8630-214EB586A16D
Kernel slide:     0x0000000009a00000
Kernel text base: 0xffffff8009c00000
System model name: MacBookAir5,2 (Mac-2E6FAB96566FE58C)

System uptime in nanoseconds: 84130116641054
last loaded kext at 83772408886885: com.apple.driver.AppleUSBCDC   4.1.22 (addr 0xffffff7f8bdd8000, size 16384)
last unloaded kext at 83855128127345: com.apple.iokit.SCSITaskUserClient   3.5.5 (addr 0xffffff7f8b9d3000, size 28672)
loaded kexts:
com.sophos.kext.sav   8.0.4
com.getgreenbytes.driver.zfs   2012.09.14
com.getgreenbytes.filesystem.zfs   2012.09.23
com.avast.PacketForwarder   1.3
com.avast.AvastFileShield   1.0.1
com.apple.driver.AppleBluetoothMultitouch   75.19
com.apple.driver.AppleUSBDisplays   357
com.apple.filesystems.udf   2.3
com.apple.driver.AppleUSBODD   3.1.7
com.apple.filesystems.smbfs   1.8
com.apple.driver.AudioAUUC   1.60
com.apple.iokit.IOBluetoothSerialManager   4.1.2f9
com.apple.filesystems.autofs   3.0
com.apple.driver.X86PlatformShim   1.0.0
com.apple.driver.AGPM   100.12.81
com.apple.driver.ApplePlatformEnabler   2.0.6d1
com.apple.driver.AppleMikeyHIDDriver   122
com.apple.driver.AppleSMCLMU   2.0.3d0
com.apple.driver.AppleUpstreamUserClient   3.5.10
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport   4.1.2f9
com.apple.driver.AppleBacklight   170.2.5
com.apple.driver.AppleMCCSControl   1.1.11
com.apple.driver.AppleHDA   2.3.5fc10
com.apple.driver.AppleSMCPDRC   1.0.0
com.apple.iokit.IOUserEthernet   1.0.0d1
com.apple.Dont_Steal_Mac_OS_X   7.0.0
com.apple.driver.AppleMikeyDriver   2.3.5fc10
com.apple.driver.ApplePolicyControl   3.2.13
com.apple.driver.AppleLPC   1.6.0
com.apple.driver.AppleIntelHD4000Graphics   8.0.6
com.apple.driver.AppleIntelFramebufferCapri   8.0.6
com.apple.driver.AppleUSBTCButtons   237.1
com.apple.driver.AppleUSBCardReader   3.1.7
com.apple.driver.AppleUSBTCKeyboard   237.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless   1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib   1.0.0d1
com.apple.BootCache   34
com.apple.driver.XsanFilter   404
com.apple.iokit.IOAHCIBlockStorage   2.3.1
com.apple.driver.AppleUSBHub   5.5.0
com.apple.driver.AirPort.Brcm4331   612.20.14
com.apple.driver.AppleAHCIPort   2.5.1
com.apple.driver.AppleUSBEHCI   5.5.0
com.apple.driver.AppleUSBXHCI   1.5.1
com.apple.driver.AppleEFINVRAM   1.7
com.apple.driver.AppleSmartBatteryManager   161.0.0
com.apple.driver.AppleACPIButtons   1.7
com.apple.driver.AppleRTC   1.5
com.apple.driver.AppleHPET   1.8
com.apple.driver.AppleSMBIOS   1.9
com.apple.driver.AppleACPIEC   1.7
com.apple.driver.AppleAPIC   1.6
com.apple.driver.AppleIntelCPUPowerManagementClient   196.0.0
com.apple.nke.applicationfirewall   4.0.39
com.apple.security.quarantine   2
com.apple.driver.AppleIntelCPUPowerManagement   196.0.0
com.apple.driver.IOBluetoothHIDDriver   4.1.2f9
com.apple.driver.AppleMultitouchDriver   235.29
com.apple.driver.AppleUSBHIDKeyboard   170.2
com.apple.driver.AppleHIDKeyboard   170.2
com.apple.driver.AppleUSBAudio   2.9.0f6
com.apple.iokit.IOSCSIMultimediaCommandsDevice   3.5.5
com.apple.iokit.IOBDStorageFamily   1.7
com.apple.iokit.IODVDStorageFamily   1.7.1
com.apple.iokit.IOCDStorageFamily   1.7.1
com.apple.iokit.IOSerialFamily   10.0.6
com.apple.kext.triggers   1.0
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport   4.1.2f9
com.apple.driver.AppleBacklightExpert   1.0.4
com.apple.driver.DspFuncLib   2.3.5fc10
com.apple.iokit.IOAudioFamily   1.8.9fc11
com.apple.kext.OSvKernDSPLib   1.6
com.apple.driver.AppleHDAController   2.3.5fc10
com.apple.iokit.IOHDAFamily   2.3.5fc10
com.apple.iokit.IOSurface   86.0.3
com.apple.iokit.IOBluetoothFamily   4.1.2f9
com.apple.driver.AppleGraphicsControl   3.2.13
com.apple.driver.AppleSMBusController   1.0.11d0
com.apple.driver.AppleSMBusPCI   1.0.11d0
com.apple.driver.X86PlatformPlugin   1.0.0
com.apple.driver.AppleSMC   3.1.4d2
com.apple.driver.IOPlatformPluginFamily   5.3.0d47
com.apple.iokit.IONDRVSupport   2.3.6
com.apple.iokit.IOGraphicsFamily   2.3.6
com.apple.iokit.IOSCSIBlockCommandsDevice   3.5.5
com.apple.iokit.IOUSBMassStorageClass   3.5.1
com.apple.iokit.IOSCSIArchitectureModelFamily   3.5.5
com.apple.driver.AppleUSBMultitouch   237.3
com.apple.iokit.IOUSBHIDDriver   5.2.5
com.apple.driver.AppleThunderboltDPInAdapter   1.8.9
com.apple.driver.AppleThunderboltDPAdapterFamily   1.8.9
com.apple.driver.AppleThunderboltPCIDownAdapter   1.2.6
com.apple.driver.AppleUSBMergeNub   5.5.0
com.apple.driver.AppleUSBComposite   5.2.5
com.apple.driver.AppleThunderboltNHI   1.6.3
com.apple.iokit.IOThunderboltFamily   2.1.8
com.apple.iokit.IOUSBUserClient   5.5.0
com.apple.iokit.IO80211Family   510.4
com.apple.iokit.IONetworkingFamily   3.0
com.apple.iokit.IOAHCIFamily   2.3.1
com.apple.iokit.IOUSBFamily   5.5.0
com.apple.driver.AppleEFIRuntime   1.7
com.apple.iokit.IOHIDFamily   1.8.1
com.apple.iokit.IOSMBusFamily   1.1
com.apple.security.sandbox   220
com.apple.kext.AppleMatch   1.0.0d1
com.apple.security.TMSafetyNet   7
com.apple.driver.DiskImages   344
com.apple.iokit.IOStorageFamily   1.8
com.apple.driver.AppleKeyStore   28.21
com.apple.driver.AppleACPIPlatform   1.7
com.apple.iokit.IOPCIFamily   2.7.3
com.apple.iokit.IOACPIFamily   1.4
com.apple.kec.corecrypto   1.0
Model: MacBookAir5,2, BootROM MBA51.00EF.B01, 2 processors, Intel Core i5, 1.8 GHz, 8 GB, SMC 2.5f7
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 512 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434353153364D465238412D50422020
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434353153364D465238412D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xE9), Broadcom BCM43xx 1.0 (5.106.98.100.14)
Bluetooth: Version 4.1.2f9 11046, 2 service, 18 devices, 1 incoming serial ports
Serial ATA Device: APPLE SSD SM256E, 251 GB
USB Device: hub_device, 0x8087  (Intel Corporation), 0x0024, 0x1a100000 / 2
USB Device: Ext HDD 1021, 0x1058  (Western Digital Technologies, Inc.), 0x1021, 0x1a120000 / 4
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8510, 0x1a110000 / 3
USB Device: hub_device, 0x8087  (Intel Corporation), 0x0024, 0x1d100000 / 2
USB Device: hub_device, apple_vendor_id, 0x9136, 0x1d110000 / 7
USB Device: Keyboard Hub, apple_vendor_id, 0x1005, 0x1d112000 / 12
USB Device: Apple Keyboard, apple_vendor_id, 0x021e, 0x1d112200 / 16
USB Device: hub_device, apple_vendor_id, 0x9137, 0x1d114000 / 11
USB Device: Display Audio, apple_vendor_id, 0x2912, 0x1d114100 / 15
USB Device: Apple LED Cinema Display, apple_vendor_id, 0x9236, 0x1d114300 / 14
USB Device: Display iSight, apple_vendor_id, 0x8508, 0x1d114200 / 13
USB Device: hub_device, 0x0424  (SMSC), 0x2513, 0x1d180000 / 3
USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8404, 0x1d183000 / 6
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x024d, 0x1d182000 / 5
USB Device: BRCM20702 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0x1d181000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821f, 0x1d181300 / 8


another

Code: Select all
Interval Since Last Panic Report:  1408270 sec
Panics Since Last Report:          1
Anonymous UUID:                    8B12A221-82C8-1ACB-B9FA-DA686A832C4D

Thu Dec 13 13:32:55 2012
panic(cpu 2 caller 0xffffff800e243d5b): "a freed zone element has been modified in zone: kalloc.1024"@/SourceCache/xnu/xnu-2050.20.9/osfmk/kern/zalloc.c:214
Backtrace (CPU 2), Frame : Return Address
0xffffff80fe113590 : 0xffffff800e21d626
0xffffff80fe113600 : 0xffffff800e243d5b
0xffffff80fe113640 : 0xffffff800e2435d2
0xffffff80fe113720 : 0xffffff800e2245ed
0xffffff80fe113750 : 0xffffff800e548e4a
0xffffff80fe113f50 : 0xffffff800e5e060a
0xffffff80fe113fb0 : 0xffffff800e2cdc03

BSD process name corresponding to current thread: mds

Mac OS version:
12C3006

Kernel version:
Darwin Kernel Version 12.2.1: Thu Oct 18 16:32:48 PDT 2012; root:xnu-2050.20.9~2/RELEASE_X86_64
Kernel UUID: 0AFA55FD-872F-3BBE-8630-214EB586A16D
Kernel slide:     0x000000000e000000
Kernel text base: 0xffffff800e200000
System model name: MacBookAir5,2 (Mac-2E6FAB96566FE58C)

System uptime in nanoseconds: 75571039567854
last loaded kext at 75108930450877: com.getgreenbytes.driver.zfs   2012.09.14 (addr 0xffffff7f9016d000, size 53248)
last unloaded kext at 75168961114677: com.apple.driver.AppleUSBCDC   4.1.22 (addr 0xffffff7f90163000, size 12288)
loaded kexts:
com.getgreenbytes.driver.zfs   2012.09.14
com.sophos.kext.sav   8.0.4
com.getgreenbytes.filesystem.zfs   2012.09.23
com.avast.PacketForwarder   1.3
com.avast.AvastFileShield   1.0.1
com.apple.driver.AppleBluetoothMultitouch   75.19
com.apple.driver.AppleUSBDisplays   357
com.apple.filesystems.smbfs   1.8
com.apple.driver.AudioAUUC   1.60
com.apple.iokit.IOBluetoothSerialManager   4.1.2f9
com.apple.filesystems.autofs   3.0
com.apple.driver.X86PlatformShim   1.0.0
com.apple.driver.AGPM   100.12.81
com.apple.driver.ApplePlatformEnabler   2.0.6d1
com.apple.driver.AppleMikeyHIDDriver   122
com.apple.driver.AppleHDA   2.3.5fc10
com.apple.iokit.IOUserEthernet   1.0.0d1
com.apple.driver.AppleMikeyDriver   2.3.5fc10
com.apple.driver.AppleBacklight   170.2.5
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport   4.1.2f9
com.apple.driver.AppleSMCPDRC   1.0.0
com.apple.driver.AppleUpstreamUserClient   3.5.10
com.apple.driver.AppleSMCLMU   2.0.3d0
com.apple.driver.AppleMCCSControl   1.1.11
com.apple.Dont_Steal_Mac_OS_X   7.0.0
com.apple.driver.ApplePolicyControl   3.2.13
com.apple.driver.AppleLPC   1.6.0
com.apple.driver.AppleIntelHD4000Graphics   8.0.6
com.apple.driver.AppleIntelFramebufferCapri   8.0.6
com.apple.driver.AppleUSBTCButtons   237.1
com.apple.driver.AppleUSBTCKeyboard   237.1
com.apple.driver.AppleUSBCardReader   3.1.7
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless   1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib   1.0.0d1
com.apple.BootCache   34
com.apple.driver.XsanFilter   404
com.apple.iokit.IOAHCIBlockStorage   2.3.1
com.apple.driver.AppleUSBHub   5.5.0
com.apple.driver.AirPort.Brcm4331   612.20.14
com.apple.driver.AppleAHCIPort   2.5.1
com.apple.driver.AppleUSBEHCI   5.5.0
com.apple.driver.AppleUSBXHCI   1.5.1
com.apple.driver.AppleEFINVRAM   1.7
com.apple.driver.AppleSmartBatteryManager   161.0.0
com.apple.driver.AppleRTC   1.5
com.apple.driver.AppleACPIButtons   1.7
com.apple.driver.AppleHPET   1.8
com.apple.driver.AppleSMBIOS   1.9
com.apple.driver.AppleACPIEC   1.7
com.apple.driver.AppleAPIC   1.6
com.apple.driver.AppleIntelCPUPowerManagementClient   196.0.0
com.apple.nke.applicationfirewall   4.0.39
com.apple.security.quarantine   2
com.apple.driver.AppleIntelCPUPowerManagement   196.0.0
com.apple.driver.IOBluetoothHIDDriver   4.1.2f9
com.apple.driver.AppleMultitouchDriver   235.29
com.apple.driver.AppleUSBHIDKeyboard   170.2
com.apple.driver.AppleHIDKeyboard   170.2
com.apple.driver.AppleUSBAudio   2.9.0f6
com.apple.iokit.IOSerialFamily   10.0.6
com.apple.kext.triggers   1.0
com.apple.driver.DspFuncLib   2.3.5fc10
com.apple.iokit.IOSurface   86.0.3
com.apple.driver.AppleBacklightExpert   1.0.4
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport   4.1.2f9
com.apple.driver.X86PlatformPlugin   1.0.0
com.apple.iokit.IOAudioFamily   1.8.9fc11
com.apple.kext.OSvKernDSPLib   1.6
com.apple.driver.AppleHDAController   2.3.5fc10
com.apple.iokit.IOHDAFamily   2.3.5fc10
com.apple.driver.AppleSMBusController   1.0.11d0
com.apple.driver.AppleSMBusPCI   1.0.11d0
com.apple.iokit.IOBluetoothFamily   4.1.2f9
com.apple.driver.AppleSMC   3.1.4d2
com.apple.driver.AppleGraphicsControl   3.2.13
com.apple.driver.IOPlatformPluginFamily   5.3.0d47
com.apple.iokit.IONDRVSupport   2.3.6
com.apple.iokit.IOGraphicsFamily   2.3.6
com.apple.driver.AppleUSBMultitouch   237.3
com.apple.iokit.IOUSBHIDDriver   5.2.5
com.apple.driver.AppleThunderboltDPInAdapter   1.8.9
com.apple.driver.AppleThunderboltDPAdapterFamily   1.8.9
com.apple.driver.AppleThunderboltPCIDownAdapter   1.2.6
com.apple.iokit.IOSCSIBlockCommandsDevice   3.5.5
com.apple.iokit.IOUSBMassStorageClass   3.5.1
com.apple.iokit.IOSCSIArchitectureModelFamily   3.5.5
com.apple.driver.AppleUSBMergeNub   5.5.0
com.apple.driver.AppleUSBComposite   5.2.5
com.apple.driver.AppleThunderboltNHI   1.6.3
com.apple.iokit.IOThunderboltFamily   2.1.8
com.apple.iokit.IO80211Family   510.4
com.apple.iokit.IONetworkingFamily   3.0
com.apple.iokit.IOUSBUserClient   5.5.0
com.apple.iokit.IOAHCIFamily   2.3.1
com.apple.iokit.IOUSBFamily   5.5.0
com.apple.driver.AppleEFIRuntime   1.7
com.apple.iokit.IOHIDFamily   1.8.1
com.apple.iokit.IOSMBusFamily   1.1
com.apple.security.sandbox   220
com.apple.kext.AppleMatch   1.0.0d1
com.apple.security.TMSafetyNet   7
com.apple.driver.DiskImages   344
com.apple.iokit.IOStorageFamily   1.8
com.apple.driver.AppleKeyStore   28.21
com.apple.driver.AppleACPIPlatform   1.7
com.apple.iokit.IOPCIFamily   2.7.3
com.apple.iokit.IOACPIFamily   1.4
com.apple.kec.corecrypto   1.0
Model: MacBookAir5,2, BootROM MBA51.00EF.B01, 2 processors, Intel Core i5, 1.8 GHz, 8 GB, SMC 2.5f7
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 512 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434353153364D465238412D50422020
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434353153364D465238412D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xE9), Broadcom BCM43xx 1.0 (5.106.98.100.14)
Bluetooth: Version 4.1.2f9 11046, 2 service, 18 devices, 1 incoming serial ports
Serial ATA Device: APPLE SSD SM256E, 251 GB
USB Device: hub_device, 0x8087  (Intel Corporation), 0x0024, 0x1a100000 / 2
USB Device: Ext HDD 1021, 0x1058  (Western Digital Technologies, Inc.), 0x1021, 0x1a120000 / 4
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8510, 0x1a110000 / 3
USB Device: hub_device, 0x8087  (Intel Corporation), 0x0024, 0x1d100000 / 2
USB Device: hub_device, apple_vendor_id, 0x9136, 0x1d110000 / 7
USB Device: Keyboard Hub, apple_vendor_id, 0x1005, 0x1d112000 / 12
USB Device: Apple Keyboard, apple_vendor_id, 0x021e, 0x1d112200 / 16
USB Device: hub_device, apple_vendor_id, 0x9137, 0x1d114000 / 11
USB Device: Apple LED Cinema Display, apple_vendor_id, 0x9236, 0x1d114300 / 15
USB Device: Display Audio, apple_vendor_id, 0x2912, 0x1d114100 / 14
USB Device: Display iSight, apple_vendor_id, 0x8508, 0x1d114200 / 13
USB Device: hub_device, 0x0424  (SMSC), 0x2513, 0x1d180000 / 3
USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8404, 0x1d183000 / 6
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x024d, 0x1d182000 / 5
USB Device: BRCM20702 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0x1d181000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821f, 0x1d181300 / 8


If more information is useful, I can add it.

Marco
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Posts: 10
Joined: Sat Sep 15, 2012 5:47 am

com.sophos.kext.sav in backtrace of a kernel panic

Post by grahamperrin » Mon Dec 31, 2012 5:38 am

Code: Select all
Kernel Extensions in backtrace:
         com.sophos.kext.sav(8.0.4)


I'd look more closely at Sophos Anti-Virus than at Avast.

First, though: is Avast designed to run in parallel with other anti-virus products?

As a rule of thumb (exceptions include Immunet for Windows) it's ill-advised to run more than one product. Two or more may contend with each other.

I have no experience with Avast, but great disappointment with some things relating to Sophos. YMMV.
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Re: kernel panic following installation of Avast

Post by Marco » Tue Jan 01, 2013 4:06 am

So perhaps I should remove Sophos and reinstall Avast?

The double intallation wasn't something I wanted at first: I thought I would use only the scanner on demand, and not the protection features. But I was coaxed into activating also some protection, which I shouldn't have.
Marco Offline


 
Posts: 10
Joined: Sat Sep 15, 2012 5:47 am

Choice

Post by grahamperrin » Tue Jan 01, 2013 11:33 pm

Make a choice based on your personal experience … the problems with Sophos in my cases may be not relevant to your use cases. If I could discover more from Sophos (and this is the problem – I doubt that we ever will), relevance might be easier to estimate.

Even with all features of one product apparently disabled, I might expect some contention from the presence of kernel extensions for two products. So unless one of the two products explicitly promotes itself as good to go in combination with a competing security product, I reckon that uninstallation of one is advisable.
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