<div dir="ltr"><div class="gmail_default"><span style="font-family:monospace">Yeah, last year's install was one of those</span></div><div class="gmail_default"><span style="font-family:monospace">Learning Experiences.</span></div><div class="gmail_default"><span style="font-family:monospace"><br></span></div><div class="gmail_default"><span style="font-family:monospace">Here's what I found out:</span></div><div class="gmail_default"><span style="font-family:monospace"><br></span></div><div class="gmail_default"><span style="font-family:monospace"><a href="https://tex.stackexchange.com/questions/393420/pdflatex-wont-write-in-certain-folders/623102#623102">https://tex.stackexchange.com/questions/393420/pdflatex-wont-write-in-certain-folders/623102#623102</a><br><br><a href="https://support.microsoft.com/en-us/windows/allow-an-app-to-access-controlled-folders-b5b6627a-b008-2ca2-7931-7e51e912b034">https://support.microsoft.com/en-us/windows/allow-an-app-to-access-controlled-folders-b5b6627a-b008-2ca2-7931-7e51e912b034</a><br><br>Use controlled folder access<br><br>Controlled folder access in Windows Security reviews the apps that can make changes to files in protected folders and blocks unauthorized or unsafe apps from accessing or changing files in those folders.<br><br>Select Start<br>  > Settings<br>   > Update & Security<br>    > Windows Security<br>     > Virus & threat protection.<br><br>Under Virus & threat protection settings,<br>      select Manage settings.<br><br>Under Controlled folder access,<br>       select Manage Controlled folder access.<br><br>Switch the Controlled folder access setting to On or Off.</span></div><div class="gmail_default"><span style="font-family:monospace"><br></span></div><div class="gmail_default"><span style="font-family:monospace">iirc, <br></span></div><div class="gmail_default"><span style="font-family:monospace"><br></span></div><div class="gmail_default"><span style="font-family:monospace">#1: on second install on a new laptop</span><span style="font-family:monospace"><br></span></div><div class="gmail_default"><span style="font-family:monospace">I had to create the year folder, i.e.:</span></div><div class="gmail_default"><span style="font-family:monospace"><br></span></div><div class="gmail_default">
<div class="gmail_default"><span style="font-family:monospace">C:\program-files\texlive\2021</span></div><div class="gmail_default"><span style="font-family:monospace"><br></span></div>

</div><div class="gmail_default"><span style="font-family:monospace">#2: seems like I had to enter the folder name into the MS <br></span></div><div class="gmail_default"><span style="font-family:monospace">list of approved folders<br></span></div><div class="gmail_default"><span style="font-family:monospace"><br></span></div><span style="font-family:monospace"><span class="gmail_default"></span>before Running As Administrator.</span><div class="gmail_default"><span style="font-family:monospace"><br></span></div><div class="gmail_default"><span style="font-family:monospace">time, begin: 08.15pm</span></div><div class="gmail_default"><span style="font-family:monospace">time, end  : 10.30pm</span></div><div class="gmail_default"><span style="font-family:monospace"><br></span></div><div class="gmail_default"><span style="font-family:monospace">hth</span></div><span style="font-family:monospace"><br>-- <br></span><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><span style="font-family:monospace">Ron Fehd  <span class="gmail_default">{SAS} </span>macro maven<br></span></div></div></div>