**Exhibit 31.1**

 

**CERTIFICATION**

 

I, William B. Kretzmer, certifythat:

 

1. I have reviewed thisquarterly report on Form 10-Q of MAI Systems Corporation;

 

2. Based on my knowledge, thisquarterly report does not contain any untrue statement of a material fact oromit to state a material fact necessary to make the statements made, in lightof the circumstances under which such statements were made, not misleading withrespect to the period covered by this quarterly report;

 

3. Based on my knowledge, thefinancial statements, and other financial information included in thisquarterly report, fairly present in all material respects the financialcondition, results of operations and cash flows of the registrant as of, andfor, the periods presented in this quarterly report;

 

4. The registrant’s othercertifying officers and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-14 and15d-14) for the registrant and we have:

 

a)              designedsuch disclosure controls and procedures to ensure that material informationrelating to the registrant, including its consolidated subsidiaries, is madeknown to us by others within those entities, particularly during the period inwhich this quarterly report is being prepared;

 

b)             evaluatedthe effectiveness of the registrant’s disclosure controls and procedures as ofa date within 90 days prior to the filing date of this quarterly report (the“Evaluation Date”); and

 

c)              presentedin this quarterly report our conclusions about the effectiveness of thedisclosure controls and procedures based on our evaluation as of the EvaluationDate;

 

5. The registrant’s other certifying officers and Ihave disclosed, based on our most recent evaluation, to the registrant’s    auditors and the audit committee ofregistrant’s board of directors (or persons performing the equivalentfunction):

 

a)              allsignificant deficiencies in the design or operation of internal controls whichcould adversely affect the registrant’s ability to record, process, summarizeand report financial data and have identified for the registrant’s auditors anymaterial weaknesses in internal controls; and

 

b)             anyfraud, whether or not material, that involves management or other employees whohave a significant role in the registrant’s internal controls; and

 

6. The registrant’s othercertifying officers and I have indicated in this quarterly report whether ornot there were significant changes in internal controls or in other factorsthat could significantly affect internal controls subsequent to the date of ourmost recent evaluation, including any corrective actions with regard tosignificant deficiencies and material weaknesses.

 

 
| Date:  August 23, 2004 | By:    |   /s/ William B. Kretzmer |
|------------------------|--------|------------------------------------------|
|                   |   |   William  B. Kretzmer         |
|                   |   |   Chief  Executive Officer     |
|                   |   |                                     |
|                   |   |                                     |

 

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