Remove the Document Link Software. In order to do this, go to Add or Remove programs in Control Panel, select the software and click Remove.
On your network, open Windows Explorer and navigate to the following directory: \IsahSetup_4_5_DocumentLink\[UPDATEPACKNO]_[VERSIONNO]\
Double-click the file IsahDMLink.msi (in case you are using a 32-bit development environment) or IsahDMLinkx.msi (only in case you are using a 64-bit development environment).
Follow the directions on your screen to carry out the installation process.
Only if you are using a 64-bit development environment: Register the Document Link COM Server after finishing the IsahDMLinkx.msi installation. In order to do this, open a Command Prompt window as an administrator (click Start, Programs, Accessories, right-click Command Prompt and select Run as administrator'). Open the \...\DocumentLink\Progs folder. Run IDMLink.exe /REGSERVER.