CODEWITHSUNDEEP
inno-setupuninstallation
MCSharp
MCSharp

Reputation: 1068

How to execute program before the uninstallation starts?

Can InnoSetup execute a program before the uninstallation starts? My program creates some registry values. I have an executable that can remove those registry values and my question is, can InnoSetup run that executable before the uninstallation starts?

Upvotes: 11

Views: 7560

Answers (1)

Ken White
Ken White

Reputation: 125669

See the documentation on Setup Script Sections, particularly the UninstallRun one at the bottom of the tree:

[UninstallRun]
Filename: "{app}\INIT.EXE"; Parameters: "/x"

If you need to do something more complex, you can also do it in code using the Pascal scripting functionality in InnoSetup. See UninstallCodeExample1.iss' in theInnoSetup 5\Examples` folder.

Upvotes: 13

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