UNABLE TO CONNECT USING VPN

I am not certain what went south but I am no longer able to tunnel in to my network.
here is a log from the client.

Cisco Systems VPN Client Version 4.8.00.0440
Copyright (C) 1998-2005 Cisco Systems, Inc. All Rights Reserved.
Client Type(s): Windows, WinNT
Running on: 5.1.2600 Service Pack 3

77     21:37:08.750  11/06/08  Sev=Warning/3      IKE/0xE3000056
The received HASH payload cannot be verified

78     21:37:08.750  11/06/08  Sev=Warning/2      IKE/0xE300007D
Hash verification failed... may be configured with invalid group password.

79     21:37:08.750  11/06/08  Sev=Warning/2      IKE/0xE3000099
Failed to authenticate peer (Navigator:904)

80     21:37:08.750  11/06/08  Sev=Warning/2      IKE/0xE30000A5
Unexpected SW error occurred while processing Aggressive Mode negotiator:(Navigator:2237)
rbdjohnsonAsked:
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kyleb84Commented:
Retype your username/password and try again.

Double check your username/password is still in the Cisco, and that it was saved to flash, you might have had a power failure and the settings might have been lost (If they weren't saved).
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rbdjohnsonAuthor Commented:
thanks for the reply. I don't believe it's that easy.
I have checked the asa and they are intact, the username and pw are correct, I was able to get in from a different location outside but not from home.
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kyleb84Commented:
Hmm, so once apon a time this was working at home?

Has anything changed? Your home router? It's DHCP range?
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rbdjohnsonAuthor Commented:
yeah, it did run, this is a new installation within the past month. I have had no issues untill last week. There have been no changes that I can recall.
home firewall is down, reinstalled the vpn client sw today becouse of this problem. reset everything (switch, router.
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kyleb84Commented:
What about a different laptop/pc from home than the one you've been trying?
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rbdjohnsonAuthor Commented:
thanks
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