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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 28, 2010 (October 28, 2010)

ACI WORLDWIDE, INC.

(Exact name of registrant as specified in its charter)


Delaware	0-25346	47-0772104
(State or other jurisdiction	(Commission File Number)	(IRS Employer
of incorporation)		Identification No.)

120 Broadway, Suite 3350
New York, New York 10271
(Address of principal executive offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (646) 348-6700

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o		Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o		Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o		Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o		Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02. Results of Operation and Financial Condition.

On October 28, 2010, ACI Worldwide, Inc. (“the Company”) issued a press release announcing its financial results for the three months ended September 30, 2010. A copy of this press release is attached hereto as Exhibit 99.1.

The foregoing information (including the exhibits hereto) is being furnished under “Item 2.02- Results of Operations and Financial Condition” and Item 7.01- Regulation FD Disclosure.” Such information (including the exhibits hereto) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

The filing of this report and the furnishing of this information pursuant to Items 2.02 and 7.01 do not mean that such information is material or that disclosure of such information is required.

Item 7.01. Regulation FD Disclosure.

See “Item 2.02- Results of Operations and Financial Condition” above.

Item 9.01. Financial Statements and Exhibits.

	99.1		Press Release dated October 28, 2010

	99.2		Investor presentation materials dated October 28, 2010

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


		ACI WORLDWIDE, INC.

		/s/ Scott W. Behrens

		Scott W. Behrens, Senior Vice President, Chief Financial Officer and Chief Accounting Officer

Date: October 28, 2010

EXHIBIT INDEX


Exhibit No.		Description
	99.1	Press Release dated October 28, 2010

	99.2	Investor presentation materials dated October 28, 2010