Forum Discussion
chayal
Mar 02, 2022Copper Contributor
Not able to delete a file on patch upgrade.
Hi I have few files which need to be deleted in patch upgrade. So I have added there files in RemoveFile table in .ism file. So File table looks like: I have correctly added the dir prop...
Everettiin
Jan 08, 2026Iron Contributor
The error message you're encountering indicates that the MSI installer is attempting to perform a substitution or operation on the AccessibilityChecker.swf file, but it is being blocked due to the iSwapAttrib member being set to 0 in the folder pair configuration. This setting prevents the folder or file from being modified or deleted during the installation or patch process.