Error message when you try to install an application on your computer: "Command line option syntax error."

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asked Feb 19, 2015 by anonymous


Consider the following case.

You are running a Windows Vista Service Pack 1 (SP1) or a Windows 7 based computer.

You use a user name that includes a double-byte character set (DBCS) character.

This issue occurs because the Win32 Cabinet Self-Extractor tool cannot handle the DBCS characters in the user name.


To resolve this issue, follow these steps:


  1. Go to Start
  2. Right-click on Computer, and then click Properties.
  3. In the Computer name, domain, and workgroup settings area, click Change settings.
  4. If you are prompted for an administrator password or for confirmation, type your password, or click Continue.
  5. Click Change Settings and then select the Advanced tab. Click on the Environment variables button
  6. In the User variables area, click TEMP, and then click Edit.
  7. In the Variable value box, type C:\Temp, and then click OK two times.
  8. Click Apply, and then click OK.
  9. Follow steps 4 through 6 for the TMP environment variable as well.
  10. Confirm that C:\Temp folder exists, if not create one.
  11. Restart your computer.
  12. Install the application again.

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