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Always back up the whole registry before making any modifications. Incorrect changes to the registry can cause serious system problems.

The issue is linked to the registry key HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\CWDIllegalInDllSearch with a value 0xFFFFFFFF.

To allow the installation of TMCM, temporarily remove the registry value mentioned.

Keywords: failed to load pfdll.dll,installation fails on pdfll.dll,installation fails on pfdll.dll,installation issue on pfdll.dll

"Cannot load pfdll.dll" error message appears when installing Control Manager (TMCM)

Control Manager All

Last updated: 2025/05/08

Solution ID: KA-0008905

Category: Troubleshoot , Install

When installing TMCM, the process stops and you get a message saying that the pfdll.dll file cannot be loaded.

This issue can happen on both TMCM 6.0 and TMCM 7.0.

Always back up the whole registry before making any modifications. Incorrect changes to the registry can cause serious system problems.

The issue is linked to the registry key HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\CWDIllegalInDllSearch with a value 0xFFFFFFFF.

To allow the installation of TMCM, temporarily remove the registry value mentioned.

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