mq4 compile

 
hello, i have windows 7 & have not added any mt4 indicators with this operating system.. Metaeditor will not compile indicators or ea's on 2 accounts. Runs ex4 files fine..What could be the solution?
 
Could be a UAC issue, simple solution . . . don't install MT4 in Program Files * directory, try C:\MT4 Installs
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