Update 'README.md'

README.md

@@ -123,6 +123,24 @@ npm start
 
 If all went well the program should start without error and you should be able to browse to your pool website on your server via port 8080.
 
+### Dependencies/Install Issues
+**Note:** This was last tested and successfully runs with node 10.24.1 and npm 6.14.12. If you have issues with install, try these specific versions. It is recommended to use NVM to easily install and change versions. 
+
+#### Installing NVM on Ubuntu
+```
+sudo apt install curl 
+curl https://raw.githubusercontent.com/creationix/nvm/master/install.sh | bash 
+```
+#### Install and use node 10.24.1 (should install npm 6.14.12 by default)
+```
+nvm install 10.24.1
+```
+#### Clearing cache and deleting node_modules for rebuilding
+```
+sudo npm cache clean --force
+sudo rm -r node_modules
+```
+
 ## More Config Information
 ### Disable Coinbase Mode
 This mode uses -pubkey to tell the daemon where the coinbase should be sent, and uses the daemons coinbase transaction rather then having the pool create the coinbase transaction. This enables special coinbase transactions, such as ac_founders and ac_script or new modes with CC vouts in the coinbase not yet created, it will work with all coins, except Full Z support described below.