{Remember you can expand the images below by clicking on them}

In TM1 Architect in Express 10.2.1, when you select a Server and right click to select View Transaction Log

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You receive the following error

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The issued is caused by the fact that you need to register the following file

Copy the whole msmask32.cab file to your Express server and extract to a new folder. Then copy the contents of the extracted folder (two files msmask32.ocx & msmask32.inf) to


Then from the start menu type cmd

And then type the following command

Cd C:WindowsSysWOW64

Regsvr32.exe msmask32.ocx

Followed by enter. You should get the following dialog

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Then Go back in Architect, right-click and select view Transaction Log, you should now be greeted with the following screen

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