Error message "1722" when you try to reinstall Flight Simulator X

Consider the following scenario. You successfully install and activate Microsoft Flight Simulator X. You remove the game from the computer. If you try to reinstall the game, the game does not install and you receive a 1722 error message.

Note The 1722 error message is a general installer error message that states that a system level failure has occurred. In most cases, you experience a setup failure in the Setup program that is associated with registering fonts. In this case, you will receive another error message that is followed by a 1605 installer error message.

The following file is available for download from the Microsoft Download Center:
Release Date: November 10, 2006

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Note This tool will not affect the software activation state for Microsoft Windows XP or for Windows Vista.

To obtain and run the Software Licensing System Reset Tool, use one of the following methods.

Method 1: Microsoft Windows XP

1. Click the Download the Software Licensing System Reset Tool package now link to start the download. Or, click the following link:
   http://download.microsoft.com/download/1/c/d/1cd508f9-7520-4659-a122-a26e8804e884/MSKB928080.exe (http://download.microsoft.com/download/1/c/d/1cd508f9-7520-4659-a122-a26e8804e884/mskb928080.exe)
2. When you receive the File Download dialog box, click Save. Save the file to the desktop.
3. When the download is complete, double-click the MSKB928080 file on the desktop. In the Security Warning dialog box, click Run, and then click Yes to accept the license agreement.
4. Click Unzip. When you receive the "2 Files unzipped successfully" message, click OK, and then click Close.
5. Click Start, click Run, type cmd in the Open box, and then click OK.
6. Type cd\ at the command prompt, and then press ENTER.
7. Type cd MicrosoftKB928080 at the command prompt, and then press ENTER.
8. Type resetsldl –all at the command prompt, and then press ENTER. Make sure that there is a space between "resetsldl" and "–all."
9. After you receive the "Re-creating clean trusted store. Success" message, close the Command Prompt window.
10. Restart the computer, and then try to install Flight Simulator.

Method 2: Windows Vista

1. Click the Download the Software Licensing System Reset Tool package now link to start the download.
2. When you receive the File Download dialog box, click Save.
3. In the Save As dialog box, click Save.
4. When the download is complete, click Close.
5. In Windows Explorer, locate the following folder:
   C:\Users\username\Downloads
   Note The placeholder username is the user name that you use to log on to the computer.
6. Double-click the MSKB928080.exe file.
7. When you are prompted to accept the license agreement, click Yes.
8. Extract the files to the following folder:
   C:\MicrosoftKB928080
   Note If you receive the Open File - Security Warning dialog box, click Run.
9. Run the Software Licensing System Reset Tool.
   
   To do this, click Start
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   , click All Programs, click Accessories, and then click Command Prompt. At the command prompt, type C:\MicrosoftKB928080\C:\MicrosoftKB928080\resetsldl –All in the Open box, and then click OK.

If you receive a filename error message, a location error message, or a syntax error message, follow these steps:

1. At the command prompt, type cd C:\ to change the location to drive C.
2. Type cd MicrosoftKB928080.
3. Type dir for the directory listing.
4. Type resetsldl -All, and then press ENTER.

You will now be prompted for the licence reset.