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FAQ PaintTool SAI - FAQ FAQ Very Frequently Asked Questions Q. I can not open my software license certificate Q. I can not save my software license certificate as a file Q. My software license certificate does not work Q. I lost my software license number and my certificate download password. Installation Q. The error message 'SAI can not complete setup process because current user dose not have administrator right.' was shown and I cannot use SAI. Q. The SAI application suddenly become missing and I cannot run it. Q. I already registered SAI, but suddenly trial message has been displayed again. Q. Suddenly the tool panels like brush disappears. Q. The SAI application sometimes disappear from my machine automatically. Q. The error message 'The item 'sai.exe' that this shortcut refers to has been changed or moved, so this shortcut will no longer work properly.' is shown and I cannot run SAI. Q. The error message 'This application has failed to start because sfl.dll was not found' is shown and I cannot run SAI. Q. The warning message 'The publisher could not be verified. Are you sure you want to run this software?' is always shown. Q. My machine failed to open SAI's help file. Q. I deleted SAI application by mistake, what I should do? Q. I use Apple Macintosh, and I cannot install SAI. Q. Brush or other tools are missing in application. Q. I created my own custom brush, but I cannot save them. Q. Bristle shapes(like Round, Flat etc.) or brush textures or paper textures aren't shown on dropdown list. Q. Any presets on new canvas dialog are missing. Q. Colors on my swatch doesn't saved. Q. Security warning 'The publisher could not be verified. Are you sure you want to run this software?' message is shown (only Ver.1.0.x). Q. Cannot show help files (Only Ver.1.0.x). Trial Period Q. I downloaded SAI, but Trial period still expired. Q. I re-installed SAI again, but Trial period still expired. Q. How to extend trial period? Q. Trial period suddenly expired. Q. Trial period was expired, but still I can run this application. Ordering Q. In purchasing I received 'Confirmation No.' by e-mail, but I wonder how to use it. Q. In purchasing the error message is shown that 'Confirmation No.' is wrong and I cannot proceed. Q. Is there any other palyment method except Paypal? Q. Is this software sold on any shop? Q. Is this software sold as any actual packages like CD-ROM? Q. Should I input real name and address for ordering information? Q. I ordered software license, but I don't received the production version of SAI. Q. I ordered software license, but I don't received any actual package of SAI. User License Q. I can not open my software license certificate. Q. I can not save my software license certificate as a file. Q. My software license certificate does not work. Q. I installed my software license certificate, but trial period message doesn't disappear yet. Q. I installed my software license certificate, but license information is still 'License: Trial'. Q. I installed my software license certificate just like described in the installation instruction on SAI's page, but trial message doesn't disappear yet. Q. What is System ID? I couldn't find it at all. Q. I use previous version of SAI that released before Ver.1.0.0. but this cannot recognize my software license certificate. Q. I use previous version of SAI that released before Ver.1.0.0. I installed software license certificate but Trial message doesn't disappear. Q. Can I use SAI application without network connection. Q. When I change my PC, I should buy new software license again? Q. When I reinstall the Windows OS, I should buy new software license again? Q. I renewed my PC, how to use the SAI on new PC? Q. I reinstalled the Windows OS on my PC, how I can use the SAI again? Q. When new version of SAI released, I should buy new software license again? Q. I already installed my software license certificate and using SAI, but suddenly trial period has been shown again. Q. The error message 'The System ID in software license certificate is wrong.' is shown and trial period has been shown again. Q. I want to try the software before ordering, is there any trial version of this software? Q. In 'Reissue Software License Information' page, the error message that says 'Confirmation No.' is wrong has been shown and I cannot proceed. Q. How can I change my registered user information? Q. I lost my software license number and my certificate download password. Digitizer Device Q. Application doesn't recognize pressure. Q. Cannot draw fine strokes. Q. Mouse cursor doesn't move, when I started application. Q. Previously pressure is recognized, but suddenly application cannot recognize them. Q. Previously I could draw fine strokes, but suddenly I cannot draw them. Q. Stroke stabilizer doesn't work. Q. Drawing position is different from mouse cursor position. Q. I assigned some functions to button on the digitizer pen, but it doesn't work. Q. I ran both Photoshop CS4 and SAI at same time, this cause the error message that 'This program has performed an illegal operation and will be shut down' shown. Other Questions Q. What is 'Memory load'? Q. What is right side message of memory load like 'xxxMB used / xxxMB reserved'? Q. My PC have over 2GB memory, but application recognize only 2GB memory space. Q. This application seems to require too much memory than other graphic related applications. Q. I think it's too waste that this application use 64bits per each pixels. Q. The memory shortage error occurs so often. Q. The error occurs if the file viewer is opened. Q. The error occurs when I open some files. Q. Sometimes the files that saved as .sai format become broken. Q. SAI become unresponsive when 'Open' is selected from menu. Q. SAI become unresponsive when 'Save' is selected from menu. Q. SAI become unresponsive when 'Save as' is selected from menu. Q. SAI become unresponsive when 'Export as' is selected from menu. Q. SAI become unresponsive when the file viewer is opened. Q. The zooming button for canvas view doesn't work at all. Q. Brush strokes are drawn delayed. Q. Are there any version of SAI for Macintosh? This site is designed for Microsoft Edge 79, Firefox 34, Chrome 37, Safari 7, Opera 24, and requires a display environment of 1024x768 32bit true color or higher. Please do not use materials on this site without permission.