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Microsoft Patch breaks Help(F1): Sage 300 ERP 2017 through 2019

We've received a few calls from clients running Sage 300 ERP 2018 with Product Update 2 or 3 and the F1 help feature is no longer working. Some users receive iframe html error while others get page could not be displayed. According to Sage knowledge-base

article 92644 from August 10 of this year, the cause was a recent Windows update that broke the function. The same article notes that this issue is addressed with Product Update 3 for Sage 300 ERP 2018 but upon further review, this is currently not true. If you are running version 2017, you must apply Product Update 7.

The resolution for this if you are running Sage 300 ERP 2018 can be found below or from the article above.

Please follow the instructions below to create a symbolic link in the registry to launch the help file from the server properly:

  1. Create a folder on the C drive on the workstation call SageTemp.

  2. Download the from the attachment section of this article to the folder C:\SageTemp

  3. Note down Program path from within Sage 300 under Help, About Sage 300, System Information.

  4. On the workstation, start the Command Prompt as administrator.

  5. Lets use C:\Sage300 as the local link path and \\Server1\Sage300\Sage as the server program path.

  6. In the Command Prompt, type: wssetup C:\Sage300 \\Server1\Sage300\Sage.

  7. Enter Y to the Question "Value Programs exists, overwrite<Yes/No>?"

  8. It will display the message: "The operation completed successfully."

  9. Type Exit to close the Command Prompt.

  10. Close and open Sage again and now F1 Help will display information again.


  • This issue will be addressed in Sage 300:

  • 2017 PU7.

  • 2018 PU3.

  • 2019 Workstation Installer

  • The fix developed for the different versions only works for Program paths using UNC. If the path being used is a mapped drive, please follow the manual steps above to address the issue.

  • if either path contains a space separating any words, that whole path must be enclosed in double quotes (ex. "C:\Program files\Sage300\Sage").

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