font "ArialMT" cannot be found

Forum|Forum|4 days ago
February 2, 2026
4 replies
431 views

Hello everyone,

for the past few weeks (possibly since the January Windows Update), we have been getting the following error message randomly when opening different PDFs:

'The font ArialMT cannot be found or created'.

It doesn't matter whether the PDF file is being opened on a network share or locally.

Once the user clicks 'OK', the error disappears after reopening the same file.

Affected users so far: 50
Windows 11 Pro 24H2 (26100.7623)
Adobe Acrobat Reader Version 2025.001.21111 Continous Release

Any help would be appreciate

Message displayed (german)

A14049752

Participant

Go to
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\FontSubstitutes
Add a key called “ArialMT” and the value “Arial”

mszongott

Participant

We have same issue for same version (2025.0001.21111). Since January 2026. Can you please provide an update to solve it?

thomasholde

Participant

We have the same issue on some computers. The users only get this error with some PDF files. On my own computer I’m unable produce the error. The PDF’s that cause the error for some users works for other users.

We are all using version 2025.001.21111.

It also looks like an old issue although the possible solution is now longer an option under Settings:

ArialMT font missing | Community

dariusz.phone

Participant

I have the same problem. But it doesn't occur on all Windows 25H2 workstations.

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