java.lang.NumberFormatException: For input string: "null" Error: ICA file not found.
 
 
HelpInfo
Error: ICA file not found.
Message

ICA file not found.
Cause of Error

This behavior can be caused by the temporary internet files cache becoming too large. When the ICA file that is used to launch applications from the Web Interface is downloaded, the delay is too long because the operating system cannot find the file among the temporary internet files fast enough.
Solution Summary

First, try deleting the temporary Internet files in Internet Explorer. If that does not solve the problem, clear the 'Do Not Save Encrypted Pages to Disk' option. It should not be set.
Solution Details

Delete Temporary Internet Files:
1) On the 'Tools', click 'Internet Options'.
2) Click 'Delete Files'.
3) Click 'OK'.
4) Try logging on to the Terminal Server again. If the problem still persists, proceed to the next steps.
Allow encrypted pages to be saved to disk:
1) On the 'Tools' menu, click 'Internet Options'.
2) Click on the 'Advanced' tab.
3) In the 'Security' section, ensure that the 'Do Not Save Encrypted Pages to Disk' option is not checked.
4) Click 'OK'.
5) Close all instances of Internet Explorer and try logging on to Terminal Server again.
Applies to Software Version

Citrix MetaFrame for Windows XP