Anchor BanCorp Wisconsin (ABCW) 10-K 2006 FY Annual report

EXHIBIT 23.2

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:

•  Registration Statement (Form S-8 No. 33-52666) pertaining to the 1992 Stock Incentive Plan;

•  Registration Statement (Form S-8 No. 333-81959) pertaining to the 1999 Employee Stock Purchase Plan;

•  Registration Statement (Form S-8 No. 333-81609) pertaining to the FCB Financial Corp. 1998 Incentive Plan, FCB Financial Corp. 1993 Stock Option and Incentive Plan, OSB Financial Corp 1992 Stock Option and Incentive Plan;

•  Registration Statement (Form S-8 No. 33-46536) pertaining to the AnchorBank, fsb Retirement Plan; and

•  Registration Statement (Form S-8 No. 333-122970) pertaining to the 2004 Equity Incentive Plan

of our report dated July 29, 2005 with respect to the consolidated financial statements of Anchor BanCorp Wisconsin Inc. included in this Annual Report (Form 10-K) for the year ended March 31, 2006.

/s/ Ernst & Young LLP

Milwaukee, Wisconsin

June 9, 2006