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Author Topic: Downgrading  (Read 276 times)

Birger52

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Downgrading
« on: August 13, 2020, 11:49:33 am »
So - going back to when things were functioning.
(https://forum.lazarus.freepascal.org/index.php/topic,50993.0.html)

Installed 2.0.8 - fpc 3.0.4

I get first a compile error : "property Threaded does not exist" in SimpleIPCServer.
Removed the value from *lfm.
So now I get a runtime error that is saying the same thing, when starting the program.

Where else do I need to remove it?
Lazarus 2.0.8 FPC 3.0.4
Win7 64bit
Playing and learning - strictly for my own pleasure.

marcov

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Re: Downgrading
« Reply #1 on: August 13, 2020, 11:56:23 am »
After removing the first Lazarus/fpc install, clean out the lazarus settings

usually they are in %USERPROFILE%\appdata\local\lazarus

easiest is to go into a cmd.exe and do


cd /d  %USERPROFILE%\appdata\local\lazarus
start .

and an explorer will pop up with the directory. Remove it, and only then install the new one.

Bart

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Re: Downgrading
« Reply #2 on: August 13, 2020, 12:52:48 pm »
easiest is to go into a cmd.exe and do

cd /d  %USERPROFILE%\appdata\local\lazarus
start .

and an explorer will pop up with the directory. Remove it, and only then install the new one.

You might need to close cmd.exe first, otherwise the folder is still in use by a process and you can't delete it.

Bart

marcov

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Re: Downgrading
« Reply #3 on: August 13, 2020, 01:01:25 pm »

Copying the  %USERPROFILE%\appdata\local\lazarus into windows->run (windows + 'R') might also help, and is afaik also independent of explorer settings

Birger52

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Re: Downgrading
« Reply #4 on: August 13, 2020, 02:14:20 pm »
"Cleanup & Build" in Run Menu did the trick.
Thx.

And downgrading did make the app function, without changing any code.
Lazarus 2.0.8 FPC 3.0.4
Win7 64bit
Playing and learning - strictly for my own pleasure.

 

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