Lightroom Crashing 2021 With Fixed

Instructions

1. Install needed adobe apps from adobe creative cloud.
2. Open Terminal.
3. Copy-paste the below command to your terminal and run it (enter password if asked).

for file in MMXCore FastCore TextModel libiomp5.dylib; do
find /Applications/Adobe* -type f -name $file | while read -r FILE; do
sudo -v
echo “found $FILE”
[[ ! -f ${FILE}.back ]] && sudo cp -f $FILE ${FILE}.back || sudo cp -f ${FILE}.back $FILE
echo $FILE | grep libiomp5 >/dev/null
if [[ $? == 0 ]]; then
dir=$(dirname “$FILE”)
[[ ! -f ${HOME}/libiomp5.dylib ]] && cd $HOME && curl -sO https://excellmedia.dl.sourceforge.net/project/badgui2/libs/mac64/libiomp5.dylib
echo -n “replacing ” && sudo cp -vf ${HOME}/libiomp5.dylib $dir && echo
rm -f ${HOME}/libiomp5.dylib
continue
fi
echo $FILE | grep TextModel >/dev/null
[[ $? == 0 ]] && echo “emptying $FILE” && sudo echo -n >$FILE && continue
echo “patching $FILE \n”
sudo perl -i -pe ‘s|\x90\x90\x90\x90\x56\xE8\x6A\x00|\x90\x90\x90\x90\x56\xE8\x3A\x00|sg’ $FILE
sudo perl -i -pe ‘s|\x90\x90\x90\x90\x56\xE8\x4A\x00|\x90\x90\x90\x90\x56\xE8\x1A\x00|sg’ $FILE
done
done

4. Now copy-paste the below command to terminal and run it (enter password if asked).

[ ! -d $HOME/Library/LaunchAgents ] && mkdir $HOME/Library/LaunchAgents
AGENT=$HOME/Library/LaunchAgents/environment.plist
sysctl -n machdep.cpu.brand_string | grep FX >/dev/null 2>&1
x=$(echo $(($? != 0 ? 5 : 4)))
cat >$AGENT <<EOF
<?xml version=”1.0″ encoding=”UTF-8″?>
<!DOCTYPE plist PUBLIC “-//Apple//DTD PLIST 1.0//EN” “http://www.apple.com/DTDs/PropertyList-1.0.dtd”>
<plist version=”1.0″>
<dict>
<key>Label</key>
<string>mkl-debug</string>
<key>ProgramArguments</key>
<array>
<string>sh</string>
<string>-c</string>
<string>launchctl setenv MKL_DEBUG_CPU_TYPE $x;</string>
</array>
<key>RunAtLoad</key>
<true/>
</dict>
</plist>
EOF
launchctl load ${AGENT} >/dev/null 2>&1
launchctl start ${AGENT} >/dev/null 2>&1

5. Reboot macOS.

Revert Instructions

1. To revert run the following command in terminal.

for file in MMXCore FastCore TextModel libiomp5.dylib; do
find /Applications/Adobe* -type f -name $file | while read -r FILE; do
sudo -v
[[ -f ${FILE}.back ]] && echo “found backup $FILE” && sudo mv -f ${FILE}.back $FILE
done
done

AGENT=$HOME/Library/LaunchAgents/environment.plist
if [[ -f $AGENT ]]; then
launchctl unload ${AGENT} >/dev/null 2>&1
launchctl stop ${AGENT} >/dev/null 2>&1
rm -rf $AGENT
fi

2. Reboot macOS

 

Notes:

• Tested Adobe CC 2021 Photopshop, LightRoom Classic, Illustrator, Premier Pro, After Effects Bridge, Indesign, XD.
• If you re-install any adobe app then you will need redo the STEP-3 again.