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- Re: Two setups using same dll - Problem when unistalling
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‎May 10, 2012
10:14 AM
Two setups using same dll - Problem when unistalling
Hello,
I have 2 independent msi-setups. Both setups register the same component named sc.dll using self-register. If I install both setups on a PC everything is fine. As soon as I uninstall one setup sc.dll is unregistered. This makes the other setup not working anymore. As soon as I manually register sc.dll everything is working again. Any idea how to solve the problem?
Thank you
I have 2 independent msi-setups. Both setups register the same component named sc.dll using self-register. If I install both setups on a PC everything is fine. As soon as I uninstall one setup sc.dll is unregistered. This makes the other setup not working anymore. As soon as I manually register sc.dll everything is working again. Any idea how to solve the problem?
Thank you
(3) Replies
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‎May 10, 2012
02:31 PM
then put those .dll NOT to be removed 🙂
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‎May 11, 2012
01:47 AM
Hello KEiGHT,
this is not a solution, because I want a clean uninstall. One solution would be to do a custom action while uninstalling that re-register the dll if it still exists when the files have been removed. As I may have mentioned the dll is still in place. It is simple not registered anymore.
Does somebody know a better solution?
Thank you in advanced
Katerchen
this is not a solution, because I want a clean uninstall. One solution would be to do a custom action while uninstalling that re-register the dll if it still exists when the files have been removed. As I may have mentioned the dll is still in place. It is simple not registered anymore.
Does somebody know a better solution?
Thank you in advanced
Katerchen
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‎May 11, 2012
06:07 PM
In Windows Installer, component ref count is managed by component GUID. When count is properly managed, you would not run into the problem described.
You will want to read up on Component Rules 101 and About Shared Components.
You will want to read up on Component Rules 101 and About Shared Components.