I add the below text to the DMG file which asks the user to agree or disagree. If he selects disagree the dmg is closed and you cannot install the app.
This text is for shareware that needs a serial to unlock and should cover all claims.
BTW change company.com to your needs.
End User License Agreement
This is a legal agreement between you (either an individual or an entity) and company.com
Read this License Agreement carefully before using the accompanied data processing program.
By clicking on the Agree button, you are agreeing to be bound by the terms and conditions of this License Agreement. If you do not agree to the terms and conditions of this License Agreement, do not click on the Agree button.
- Grant of Limited License.
company.com grants to you the non-exclusive, limited right to install and use the accompanied software program (the Software). The license permits either (a) multiple users to install and use the Software on a single machine; or (b) a single user to install and use the Software on multiple machines. However, a single license does not allow multiple users to ever use Software on multiple machines, regardless of whether such use is concurrent.
The Software is owned by company.com and is protected by international copyright laws and treaty provisions. You should therefore treat the Software like any other copyrighted material. Among other things, copyright laws prohibit you from making derivative works of the Software. You may, however, make copies of the Software solely for your individual and personal use on multiple computers, provided that you do not copy the Registration Data (see Section 3(a) below) and further provided that you include all copyright and proprietary rights notices on any copies. Notwithstanding the foregoing, you may not make copies for use on multiple machines if multiple users (including employees, agents, or contractors) will use those machines unless you purchase a corresponding number of Registration Data sets which explicitly grants this usage.
- Other Restrictions.
(a) If your copy of the Software did not come with Registration Data, it cannot be used with its complete feature set. You can unlock the full feature set by donating. Registration Data via the Internet service http://company.com. Registration Data is bound to its purchaser and must not be transferred to third parties. A Registration Data set consists of a Registration Name which identifies the person of the purchaser and hereby the user of the Software in the sense of paragraph (1), and a Registration Key which uniquely identifies each usage license for the Software. In case the purchaser is not an individual, the Registration Data may include a written notice that defines for which individuals, or for how many copies of the Software, respectively, the license to use the Software is granted to in accordance with this agreement.
(b) You may not modify, reverse-engineer, decompile, or disassemble the Software.
© You may not claim that the Software is yours, and you may not use the name company.com or company.com to endorse or promote products derived from the Software without prior written permission.
(d) You may not distribute copies of the Software, in whole or in part, to any third party, nor may you rent, loan, sublicense, or lease the Software to third parties. You further may not use the Software to act as a service bureau or application service provider.
- Warranties and Limitation of Liability.
The software is provided as is, without warranty of any kind. company.com further disclaims any implied warranties, including, without limitation, any implied warranties of merchantibility, fitness for a particular purpose, and non infringement. The entire risk arising out of the use or performance of the Software remains with you. Should the Software prove defective, you (and not company.com) assume the entire cost of all necessary servicing or repair.
In no event shall company.com or anyone else involved in the creation, production, marketing, distribution, or delivery of the Software, be liable for any damages whatsoever; including, without limitation, damages for loss of business profits, for business interruption, for loss of business information, or for other monetary loss, arising out of the use of the Software or the inability to use the Software, even if you have been notified of the possibility of such damages.
In no event shall company.com be liable for any special, indirect, or consequential damages, or for any damages whatsoever, whether in a contract action, negligence or other tort action, or other claim or action, arising out of, or in connection with, the use or performance of the Software or documents and other information provided to you by company.com, or in the provision of, or failure to provide, services or information.
Because some states of the United States of America do not allow the exclusion or limitation of the liability for consequential or incidental damages, the above disclaimer may not apply to you. Any warranties that by law survive the foregoing disclaimers shall terminate ninety (90) days from the date you downloaded or otherwise received the Software.
The feature set of the Software is defined by the specification contained in it. company.com and the end user agree in the fact that according to present technical state of the art, defects in software products cannot be fully excluded under all possible circumstances of usage. Subject of warranty is an application which is useful in principle according to its performance specification.
- Injunctive Relief.
Because of the unique nature of the Software, you understand and agree that company.com will suffer irreparable injury in the event you fail to comply with any of the terms of paragraph 3 of this License Agreement and that monetary damages may be inadequate to compensate company.com for such breach. Accordingly, you agree that company.com will, in addition to any other remedies available to it at law or in equity, be entitled to injunctive relief, without posting a bond, to enforce the terms of this Agreement.
If any litigation is brought to enforce this License Agreement, or arises out of this License Agreement, the prevailing party shall be awarded its reasonable attorneys’ fees together with expenses and costs incurred in such litigation. This Agreement shall be governed by the laws of the Federal Republic of Germany, but not including the 1980 United Nations Convention on Contracts for International Sale of Goods. This License Agreement is the complete agreement between company.com and you and supersedes all prior agreements, oral or written, with respect to the subject matter hereof.