You cannot launch Lightroom after updating it from the Creative Cloud desktop application.

Solution 1: Sign out from the Creative Cloud desktop app and sign back in.

  1. Sign out from the Creative Cloud desktop application, and then sign back in. Click here for instructions.

  2. Launch Lightroom.

Solution 2: Rename SLCache and SLStore folders

  1. Rename the SLCache folder to SLCacheold, present at the following location:

        Windows: C:\Program Files (x86)\Common Files\Adobe

        Mac: System Library/Application Support/Adobe

  2. Rename SLStore folder toSLStoreold, present at following location:

        Windows: C:\ProgramData\Adobe

        Mac: System Library/Application Support/Adobe

  3. Launch Lightroom and sign in.

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