error when using "wash" tool

[KhaleD]

"Found packet with bad FCS, skipping..." this is what I get when I use wash tool

root@localhost:~# wash -i mon0

Wash v1.4 WiFi Protected Setup Scan Tool
Copyright (c) 2011, Tactical Network Solutions, Craig Heffner <[email protected]>

BSSID                  Channel       RSSI       WPS Version       WPS Locked        ESSID
---------------------------------------------------------------------------------------------------------------
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
^C

and it keeps on going until I press ctrl+c
it used to work when I first installed Kali, but I have no idea what happened

[mmusket33]

You can get an error listed above when your wifi device doesnot support packet injection.

MTB

[KhaleD]

But it worked several times when I first installed kali on the same device, but not anymore.

[airserpent]

Just use the -C command to see the results of wash.

[fusi0n7]

"Found packet with bad FCS, skipping..." this is what I get when I use wash tool

root@localhost:~# wash -i mon0

Wash v1.4 WiFi Protected Setup Scan Tool
Copyright (c) 2011, Tactical Network Solutions, Craig Heffner <[email protected]>

BSSID                  Channel       RSSI       WPS Version       WPS Locked        ESSID
---------------------------------------------------------------------------------------------------------------
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
[!] Found packet with bad FCS, skipping...
^C

and it keeps on going until I press ctrl+c
it used to work when I first installed Kali, but I have no idea what happened

wash -i mon0 --ignore-fcs

That should work for you